No More Learning

On the first day of separation one infant ate hardly at all. Subsequently all four showed a tendency to eat more.
Although the acute disturbance of the first day subsided, then, the behaviour of all four infants remained far from normal throughout the subsequent five days of separation.
Disturbed behaviour was also much in evidence during the weeks after mother's return. After mother was returned to the. cage all four infants 'were more clinging than they had been before the separation. They showed exceptionally intense tantrums when rejected by their mothers, and often flung themselves violently on to their mothers, or sometimes, when the mother had rejected them, on to aunts. ' With two of the infants 'the effect was dramatic and long-lasting': they hardly came off their mothers during the first day of reunion.
A particularly striking feature during the first week or two of reunion was the way in which an infant might 'change from
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being relaxed to being very upset and clinging without apparent cause'. On the second and third days after reunion one infant 'was recorded as coming off his mother in an apparently calm fashion, then suddenly panicking and going on her geckering'. Another infant (female) on the sixth day of reunion was observed to play in a relaxed way for half an hour and then to sleep on mother for a time: 'When she awoke she seemed very upset and terrified, cringed and would hardly leave her mother. ' Subsequently, however, she again seemed relaxed and began to play.
The behaviour of the four mother-infant pairs during the four months after reunion, up to the first birthday, varied much from pair to pair. Nevertheless, when the behaviour of the four infants was compared with that of a control group of eight infants who had had no separation experience, all four were found to have been affected, 'all taking the initiative in being close to their mothers more, relative to the controls, than before separation'. The tendency to cling and to stay close to mother was very marked; in one infant it persisted for the whole of the four months to the first birthday and in another for half that time.
Even more striking were the differences in behaviour shown by the four separated infants as compared with the eight controls when they were tested in slightly strange situations, first at twelve months of age and later at thirty months. The four who had been separated tended, in comparison with the controls, to be less willing to approach an experimeter offering food, to stay closer to mother when moved to a strange cage, to make shorter visits to a cage containing strange objects, and to be less active after having been frightened by a minor happening ( Hinde & Spencer-Booth 1968).
The results of these experiments, conducted almost two years after a separation lasting only six days, are impressive evidence that separation from mother can be traumatic. Whereas the behaviour of these young monkeys during the course of an uneventful day might show no differences from that of control monkeys, once the environment becomes a little unusual
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differences show up: the behaviour of those who have been separated is more timid and anxious than is that of the controls. That this is true also of human infants has been noted on a number of occasions by Robertson ( 1953; 1958b) and the present writer ( Bowlby 1951; 1960a).
As remarked above, since their pioneer study of four rhesus
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infants separated for six days Hinde & Spencer-Booth have done much further work and greatly amplified their findings. For those interested a description of some of the principal ones follows.
Further studies by Hinde and Spencer-Booth
From their extensive further studies Hinde & Spencer-Booth are able not only to confirm and amplify their data on the effects on young rhesus monkeys of a single six-day separation from mother but also to compare them with (a) the effects of a second short separation of six days and (b) the effects of a single, rather longer, separation of thirteen days. In addition, they are able to cast light on the factors responsible for the considerable degree of individual variation seen in the responses.
We consider, first, the short-term effects on the twice-separated infants; next, the long-term effects on infants who had been subjected to either one or two six-day separations; and, third, the short-term effects of a thirteen-day separation. (Long-term findings in respect of the last group of infants are not yet available. )
Short-term Effects of a Second Six-day Separation
When aged thirty to thirty-two weeks a total of eleven infants were separated from mother for six days for their first and only time and a total of ten for their second time. (Of the latter, five had had a first separation ten weeks earlier and five had had one five weeks earlier. ) When the behaviour of the infants separated for their second time was compared with that of infants of the same age separated for their first time no differences were apparent, on the measures used, either during the separation itself or during the subsequent month ( Spencer-Booth & Hinde 1971a). Evidence from the follow-up shows, however, that it would be a mistake to conclude that the effects of two separations are no different from the effects of one.
Long-term Effects of One and Two Six-day Separations
In their report on the long-term effects of six-day separations Spencer-Booth and Hinde ( 1971c) compare observations of infants from three samples: control infants, N = 8; infants that underwent a single six-day separation, N = 5; and infants that underwent two six-day separations, N = 8. 1 For some
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1 Two infants first separated at twenty-one weeks of age, and one first separated at twenty-
six weeks, died before they were a year old, and a -69-
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comparisons numbers are reduced; and on occasion it is necessary to pool data for the once- and the twice-separated infants. Stated briefly, findings are as follows:
1. When tested at twelve and again at thirty months of age and compared with the controls,
the previously separated infants of both groups still showed 'some persistence of those symptoms of depression and of disturbed mother-infant relations which had been conspicuous in the month immediately following the mother's return'.
2. The differences in behaviour between the previously separated infants and the controls were far more evident when the infant was tested in a strange environment than when it was in its home run.
3. Differences were much less marked at thirty months than at twelve months, but all the differences that were significant were in the direction that the previously separated animals showed poorer or more disturbed behaviour than the controls.
4. Most of the significant differences were between the controls and the twice-separated infants, with the once-separated infants generally occupying an intermediate position.
Let us consider these findings one by one.
In the home run at twelve months of age the previously separated animals of both groups tended to spend less time at a distance from mother, and to play a greater relative role in maintaining proximity to her, than did the control infants. Few of these differences were significant, however, and they were no longer observable either at eighteen or at thirty months. At all three ages, however, there was a significant tendency for the previously separated infants to show less locomotor activity and less social play than the controls.
Whereas the differences found in the behaviour of the previously separated animals and the controls while they were still in their home runs were not very conspicuous, when the animals were in a strange environment and tested there, differences were marked. The importance of this finding in its clinical implications can hardly be exaggerated.
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second of the twenty-six-week group died soon after its second birthday. One of the long- separated group, together with three infants separated at eighteen weeks and omitted from consideration, also died before their first birthday. It is not clear how far the deprivation experience may have contributed to the death of these infants.
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At the age of twelve months each infant with its mother was brought to a strange laboratory cage which communicated with a similar cage (the filter cage) by means of a passage large enough for the infant but not for the mother. Testing was conducted over a period of nine days and consisted of placing food or a strange object in the filter cage and seeing how the infant responded. Objects included a mirror, pieces of banana, and a yellow ball. On almost every test there was a significant tendency for the previously separated infants, in comparison with the controls, to wait longer before venturing to go alone into the filter cage, to pay shorter visits there, and to spend less total time in it. Furthermore, whenever scores of the twiceseparated infants differed from scores of the once-separated, divergence from the controls' scores was consistently greater in the case of the twice-separated infants. The table below, giving results for a test on the sixth day, when a yellow ball was placed in the filter cage, shows a typical pattern of differences.
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Median score in minutes
Once- Twice- Controls separated separated
Measure N=6 N=5 N=8
Latency to entering
cage 0? 1 0? 1 0? 7 Total time in cage 7? 0 3? 9 3? 0 Median length of visit 0? 5 0? 3 0? 2 Time spent playing 2? 3 0 0
Another test given at twelve months
previously separated infants and the controls was one in which an infant was offered vitamins by an experimenter. The previously separated animals were much less willing to approach to obtain the vitamin than were the controls, and this was so even when the test was carried out in the home run. A probable explanation of that is that one of the experimenters had taken part in catching and removing the infants' mothers at the time of the separation.
Eighteen months later when aged thirty months each animal was given a series of comparable tests. On this occasion it was tested over a period of sixteen days when by itself in a screened
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laboratory cage. Out of many tests only a few showed significant differences between groups. One was when the experimenter offered the vitamins. Another was when, on the second and sixth days, a piece of date was hung outside the cage just out of reach: the previously separated animals were much longer than the controls before making an attempt to get it, made fewer attempts, and persisted in making attempts for less long. (The number of animals available for this test made differentiation between once- and twice-separated animals impossible. )
Short-term Effects of a Thirteen-day Separation
At the age of thirty to thirty-two weeks a further six infants were separated for a single period lasting thirteen days (see Spencer-Booth & Hinde 1971b). During the whole of the second week they remained about as depressed and inactive as they were at the end of the first week. (This is in contrast to the moderate degree of recovery seen after the first week of separation in pigtail infants by Kaufman & Rosenblum. )
During the month following the separation it was found that the infants separated for thirteen days were significantly more affected than were infants in either of the other two separated groups. For at least the first week after reunion they emitted more distress calls; and
which showed significant differences between the
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throughout the month they were more depressed. During the time they spent out of contact with mother they spent more time sitting about inactive than did the other separated infants, and when they were active they were less so. Whereas by the end of the first month of reunion infants separated once and for only six days were showing at least as much activity as they had done before the separation, the activity level of those separated for thirteen days was still significantly reduced. At this time the activity level of the twice-separated infants was intermediate between that of infants separated for a single six-day period and that of those separated for thirteen days.
From all these findings we can conclude with confidence not only that a single separation of no longer than six days at six months of age has perceptible effects two years later on rhesus infants, but that the effects of a separation are proportionate to its length. A thirteen-day separation is worse than a six-day; two six-day separations are worse than a single six-day separation. In these regards the effects of separation from mother can be
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likened to the effects of smoking or of radiation. Although the effects of small doses appear negligible, they are cumulative. The safest dose is a zero dose.
Individual Variations of Response
There is much individual variation in the responses of rhesus infants to separation. Within the age-range studied age had little effect: whether a six-day separation was at twenty-one to twenty-two weeks, at twenty-five to twenty-six weeks, or at thirty to thirty-two weeks seemed to make little difference. Sex played some part: both during separation and after it males were more affected than females. Whether or not an infant was able to cling to another animal during separation had no effect on behaviour after reunion though such clinging did reduce the amount of distress calling at the time.
The most striking results to emerge from the analysis of the data on individual variation are the significant correlations between degree of distress shown by an infant and certain features of the mother-infant relationship ( Hinde & Spencer- Booth 1970). The infants that are most distressed during the first month after separation tend to be those that are most frequently rejected by mother and that play the greatest relative role in maintaining proximity to her. Since in regard to these features there is consistency for each mother-infant pair over time (as measured by rank-order correlations), it is not surprising to find that the degree of distress shown after separation is correlated both with the frequency with which a mother rejects her infant during the period before separation and with the frequency with which she rejects it during the period after reunion. In fact, it is found that, soon after mother returns, correlation of infant distress is higher with frequency of maternal rejection before separation than with frequency of rejection contemporaneously. Subsequently the balance changes and degree of distress becomes more highly correlated with the frequency with which she is rejecting her infant at the time.
Hinde & Spencer-Booth ( 1971) emphasize that these correlations do not justify the conclusion that differences in the mother-infant relation necessarily cause the differences in infants' responses to separations; nevertheless they believe that to be likely.
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In a recent experiment Hinde & Davies ( 1972) altered the conditions in which separation occurs: instead of mothers being removed from the home cage and placed in a strange one,
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the infants were removed and mothers remained behind. During their thirteen days of separation the behaviour of the five infants conformed to expectations. Although large individual differences made comparisons difficult, the infants separated in a strange cage seemed even more disturbed than did infants that remained in the home cage while mother was removed. After reunion with mother, however, the infants that had been separated in the strange cage were less disturbed than were infants whose mothers had been removed.
Certain observations of the behaviour of the mothers suggest an explanation of this unexpected finding. Compared with mothers that had been removed to the strange cage, mothers that remained behind were less distressed during their infant's absence and, after reunion, were more maternal and less rejecting of it; and harmonious interaction between the two was restored more quickly. These findings tend to support the view that a major determinant of the effect of a separation on a rhesus infant is how mother behaves towards it after reunion.
One form of behaviour that is extremely common in young children after a separation lasting a week or longer in strange surroundings and without substitute mothering, but that has only once been reported for monkey young, is detachment, namely a failure to recognize or respond to mother on reunion. In a study by Abrams (described by Mitchell 1970) twentyfour rhesus infants underwent a two-day separation from mother when aged between eight and twenty weeks. At the time of reunion one-quarter of the infants observed ran away from mother as she approached; and after a second two-day separation a few weeks later, the proportion that ran away doubled. Since, although on the lookout for detachment, Hinde & Spencer-Booth never observed it, the response may prove to be confined to infants in the very young age-range studied by Abrams. It is not yet clear, however, whether the response observed by Abrams can be regarded as homologous with that seen in young children.
The findings of the primate experiments have been described at length because they leave no serious doubt that most of what is to be seen during and after a brief separation in human infants is to be seen also in infants of other species. Explanations of human responses that presume cognitive processes at a specifically human level are thus called in question.
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Part II
AN ETHOLOGICAL APPROACH TO HUMAN FEAR
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Chapter 5
Basic Postulates in Theories of Anxiety and Fear
Paradigms provide scientists not only with a map but also with some of the directions essential for map-making. In learning a paradigm the scientist acquires theory, methods and standards together, usually in an inextricable mixture. . . . That is [a] reason why schools guided by different paradigms are always slightly at crowpurposes.
THOMAS S. KUHN ( 1962)
Anxiety allied to fear
Though at intervals down the years one student of the problem after another has been struck that a principal source of anxiety and distress is separation from loved figures, or the threat of separation, there has been great reluctance to accept that simple formula. Objections to it are extremely deep-seated and based on one or more of several common assumptions each of which, it is argued here, is tenable no longer.
In this and the following chapters the simple view is once again advanced. And because there has been so much incredulity and therefore reasoned opposition to it, it is presented in some detail. We begin by considering some of the common assumptions that underlie the traditional incredulity and opposition, with special reference to the influence of Freud's early formulated theory of motivation.
In all psychoanalytic and psychiatric discussion of anxiety it is taken for granted that the emotional states referred to respectively as 'anxiety' and 'fear' are closely related. In just what way they are related is the puzzle. Freud is concerned repeatedly both to compare and to contrast the two: see, for example, Addendum B to Inhibitions, Symptoms and Anxiety ( SE 20: 164168). Others have followed in his steps. Reviewing the whole confused scene in a recent article, Lewis ( 1967) emphasizes that, throughout the broad field of psychopathology, the word 'anxiety' is used habitually to refer to 'an emotional state with
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the subjectively experienced quality of fear or a closely related emotion'. Often, we know, the two words are used interchangeably. In view of the close relatedness of the emotional states concerned and also of the meanings of the two words, it is hardly surprising that ideas about the conditions that give rise to the one state should influence ideas about the conditions that give rise to the other.
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Nevertheless, in all this diverse, confusing, and contradictory theorizing there is one matter on which all seem agreed: whereas the nature and origin of anxiety are obscure, the nature and origin of fear are simple and readily intelligible.
In the theories advanced in this work there is only one break with that tradition. As hitherto, the states referred to by the words 'anxiety' and 'fear' are seen as closely related. Furthermore, ideas about what arouse states of the one kind are, also as hitherto, closely linked to ideas about what arouse states of the other. Where the paths diverge is at an altogether different point, namely in theories about the nature of the conditions that are apt to arouse what is allegedly the more easily understood of the two kinds of state, namely that of fear itself.
In psychoanalytic and psychiatric circles, it is argued, there still flourish seriously misconceived assumptions about fear and the conditions that arouse it. These mistaken assumptions have long had, and continue to have, a most adverse effect on our ability to understand the distressing anxieties and fears from which our patients suffer.
Perhaps the most basic and pervasive of these traditional assumptions is that the only situation that properly arouses fear is the presence of something likely to hurt or damage us; with the corollary that fear arising in any other situation must be in some way abnormal, or at least requires special explanation. While this assumption may appear plausible at first sight, there are two distinct ways in which it proves to be mistaken.
One type of mistake concerns the nature of the stimuli and objects that frighten us and lead us to retreat. Not infrequently, it is found, they bear only an indirect relationship to what is in fact dangerous. The second type of mistake is just as basic. We are frightened not only by the presence, or expected presence, of situations of certain sorts, but by the absence, or expected absence, of situations of other sorts.
In what follows some of the origins and effects of these two types of mistake are considered. When examined, they are
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found to be intimately linked with assumptions made early in Freud's thinking, and especially with the model of motivation he adopted. When a different model of motivation is applied, as it is in this work, the perspective changes.
Models of motivation and their effects on theory
The long tradition of psychoanalytic theorizing about fear and anxiety has been influenced profoundly by the model of motivation that Freud adopted in his very earliest formulations, long before he realized that problems of separation and loss are central to pyschopathology, and that he retained thereafter in all his metapsychological theorizing. This is the model that assumes that stimuli of every kind are responded to by the organism simply as things to be got rid of, whenever possible by means of escape and, when this is not possible, by some other kind of action.
Since it is not always recognized how deep and long-lasting an influence this model has had on psychoanalytic theories of anxiety, including separation anxiety, it may be useful to quote Freud's own words. In 'Instincts and their Vicissitudes' ( 1915a), one of a succession of
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publications in which he discusses his basic ideas, Freud once again states it as a basic postulate, which he assumes and never argues, that 'the nervous system is an apparatus which has the function of getting rid of the stimuli that reach it, or of reducing them to the lowest possible level; or which, if it were feasible, would maintain itself in an altogether unstimulated condition'. External stimuli, Freud maintains, are easily dealt with by withdrawal. 'Instinctual stimuli', on the other hand, by maintaining 'an incessant and unavoidable afflux of stimulation' present a far greater problem since, being of internal origin, to withdraw from them is impossible. In order to deal with their incessant welling up, Freud continues, the nervous system undertakes 'involved and interconnected activities by which the external world is so changed as to afford satisfaction'; and satisfaction, he holds, can only be obtained by removing the state of stimulation at the source of the instinct' ( SE 14: 120, 122).
No biological function, in terms of the survival of the population of which the individual is a member, is attributed to the activities in question. The reason for this omission is that, when the theory was advanced, the distinction between causation and function was not appreciated.
The basic postulate, or model, referred to by Freud in his
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every discussion of metapsychology, and the one that underlies his 'economic viewpoint' ( SE 14: 181), has as one of its corollaries that no external object is ever sought in and of itself, but only in so far as it aids in the elimination of the 'incessant afflux' of instinctual stimulation. Thus a mother is sought only in so far as she helps to reduce a build-up of tension arising from unmet physiological drives, and is missed only because it is feared such tension may go unrelieved.
This postulate still has a deep influence on clinical thinking. For example, it is this assumption that led Freud ( 1926a) confidently to conclude that 'the reason why the infant in arms wants to perceive the presence of its mother is only because it already knows by experience that she satisfies all its needs without delay'; and that led him, further, to the idea that the ultimate 'danger-situation is a recognized, remembered, expected situation of helplessness', a situation that he refers to also as 'traumatic' ( SE 20: 166).
That conclusion, it is argued here, a conclusion consistent with a theory of secondary drive to account for the child's tie to his mother, has had certain adverse effects. A principal one is the still commonly held belief that a key source of fear is helplessness, and consequently that it is childish, even babyish, to yearn for the presence of a loved figure and to be anxious or distressed during her (or his) absence. Such beliefs, it is held, are not only mistaken but are far from being favourable for the way we treat our patients.
Now there is nothing self-evident about Freud's basic postulate; nor, it must be remembered, did it derive from clinical practice. 1 On the contrary, the status of that postulate, as of all similar ones in science, is that it is advanced only in order that scientists may try it out to discover what its explanatory value may be. In the words of Thomas Kuhn ( 1962), a postulate of this kind provides a paradigm in terms of which a body of theory is formulated and research conducted. Whenever workers in a single field adopt different paradigms, as occurs from time to time, great difficulties of communication ensue.
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In Chapter 1 of the first volume of this work reasons are given for not adopting Freud's model of motivation and in later
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1 For a sketch of the historical origins of Freud's basic model and the influence especially of
Fechner, see Volume I, Chapter 1. For an account of the variants of theory derived by Freud from his basic postulate and their relation to his concepts of pleasure and unpleasure, see Schur ( 1967). For a critique of Freud's basic postulate, see Walker ( 1956).
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chapters (3 to 8 inclusive) an account is given of what appears to be a more promising model derived from ethology and control theory. Within the field of psychoanalysis, the model advanced constitutes a new paradigm, different from Freud's and different also from others advanced by analysts, for example that of Klein. As a result difficulties of communication are inevitable. A principal way in which the old and the new paradigms differ is in their relation to evolution theory. When Freud advanced his paradigm during the 1890s, although biological evolution was much discussed and its historical reality widely accepted, no agreement had yet been reached regarding the processes likely to be responsible for its occurrence. Darwin's theory, that evolution occurs as a result of the differential breeding success of certain variants in comparison with others, was still hotly debated by scientists, many of whom supported alternative theories. As it happens, Darwin's theory, which, in developed form, has come to provide the paradigm for twentiethcentury biology, did not appeal to Freud. Instead, he came to prefer the vitalism of Lamarck. 1 For psychoanalysis the effects of Freud's choice have been very serious, because the paradigm he adopted has led psychoanalysis to be increasingly estranged from its sister sciences. The paradigm adopted in the present work is based on current evolution theory and is thereby the same as that of modern biology. Its main features are inherent in the model of motivation sketched in the earlier volume. They can be summarized as follows:
--behaviour results from the activation, and later the termination, of behavioural systems that develop and exist within the organism, and are of very varying degrees of organizational complexity;
--the behaviour that results from the activation and termination of certain types of behavioural system is traditionally termed instinctive because it follows a recognizably similar pattern in almost all members of a species, has consequences that are usually of obvious value in contributing to species survival, and in many cases develops when all the ordinary opportunities for learning it are exiguous or absent;
--the causal factors that either activate or terminate systems
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1 In Appendix II to this volume an account is given of Freud's views on evolution in the
context of ideas on the subject current at the time he wrote. -81-
responsible for instinctive behaviour include hormonal levels, the organization and autonomous action of the central nervous system, environmental stimuli of particular sorts, and proprioceptive stimuli arising within the organism;
--the biological function of a system responsible for instinctive behaviour is that consequence of its activity that promotes the survival of the species (or population) of which the organism
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is a member, and does so in such degree that individuals endowed with the system leave behind them more progeny than those not endowed with it;
--the environment of evolutionary adaptedness is the environment in which a species lived while its existing characteristics, including behavioural systems, were being evolved, and is the only environment in which there can be any assurance that activation of a system will be likely to result in the achievement of its biological function; --behavioural systems develop within an individual through the interaction during ontogeny of genetically determined biases and the environment in which the individual is reared; the further the rearing environment departs from that of evolutionary adaptedness the more likely are that individual's behavioural systems to develop atypically.
It will be seen that in this model a sharp distinction is drawn between, on the one hand, the causal factors that result first in the activation and later in the termination of a behavioural system and, on the other, the biological function served by the behaviour. Causal factors, listed above, include hormonal levels, actions of the central nervous system, environmental stimuli of special sorts, and proprioceptive feedback from within the organism. Functions, by contrast, are certain special consequences that arise when a system is active in the organism's environment of evolutionary adaptedness, and are a result of the way in which the system is constructed. In the case of sexual behaviour, as an example, the distinction runs as follows. Hormonal states of the organism and certain characteristics of the partner, together, lead to sexual interest and play causal roles in eliciting sexual behaviour; and the feedback of stimuli arising in the consummatory situation terminate it. These are all causal factors. The biological function of that behaviour is another matter and derives from certain consequences of the activity: those consequences are fertilization and reproduction. It is only because causation and function are distinct that it is
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possible, by means of contraception, to intervene between the behaviour and the function it was evolved to serve.
Once a model of motivation that distinguishes causation from function, and is set within an evolutionary framework, is applied to problems to do with anxiety and fear new solutions become possible. A comparison follows between solutions that derive, on the one hand, from Freud's model of motivation and, on the other, from a model compatible with current evolution theory.
Puzzling phobia or natural fear
When in 1926 Freud came to reconsider his ideas about anxiety, he did so still adhering to his original model of motivation and also holding to the assumption (never completely explicit but repeatedly apparent) that the only situation that should properly arouse fear in a human being is the presence of something likely to hurt or damage him. Principal consequences of that assumption are: first, Freud's extreme perplexity in understanding why fear should be aroused, and be aroused so commonly and strongly, in situations of quite other kinds; second, the far from simple theories to which he and his successors resort in order to account for such fear; and, finally, a mistaken yardstick with which to measure what is healthy and what pathological.
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The argument Freud advances in Inhibitions, Symptoms and Anxiety can be put in a nutshell, using his own words: 'A real danger is a danger which threatens a person from an external object. ' Whenever anxiety is 'about a known danger', therefore, it can be regarded as 'realistic anxiety'; whereas whenever it is 'about an unknown danger' it is to be regarded as 'neurotic anxiety'. Since fear of certain situations, for example of being alone or in the dark or with strangers, is, in Freud's view, fear of unknown dangers, it is to be judged neurotic ( SE 20: 165-7). Because all children are afraid of such situations, moreover, all children are held to suffer from neurosis (pp. 147 -8).
Readers of that work can trace Freud's persistent efforts to solve the problem of what he terms the 'puzzling phobias' of young children, among which he includes 'fear of being alone or in the dark or with strangers' ( SE 20: 168), none of which examples, in terms of his assumptions, is at all easily intelligible.
The conclusion to which he is driven, in keeping with his basic postulate, is that fear of each of these commonplace situations is to be equated initially with fear of losing the object and
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ultimately with fear of psychical helplessness in the face of mounting instinctual stimulation (p. 166 ). Viewed in this light, fear of such situations is held by Freud to be not only childish but on the borderland of pathology. Provided development is healthy, Freud believes, fear of all these situations is left well behind: 'The phobias of very young children, fear of being alone or in the dark or with strangers -- phobias which can almost be called normal -- usually pass off later on: the child "grows out of them" . . . ' (p. 147 ). When, however, development is unhealthy it is fear of just these types of situation that persists: 'a great many people remain infantile in their behaviour in regard to danger and do not overcome determinants of anxiety which have grown out of date . . . it is precisely such people whom we call neurotics' (p. 148 ).
Klein, like almost all other psychoanalysts, accepts Freud's view that what a child fears cannot be understood as in any sense 'realistic', and that it is therefore necessary to explain such fear in other ways. Impressed by the prevalence of aggressive behaviour in disturbed children aged two years and upwards, she advances a novel theory: 'I hold that anxiety arises from the operation of the death instinct within the organism, is felt as fear of annihilation (death) and takes the form of fear of persecution' ( Klein 1946). This theory is the heart of the Kleinian system.
In all these matters the position adopted in this work is radically different from those of Freud, Klein, and most other psychoanalysts. So far from being either phobic or infantile, it is argued, the tendency to fear all these common situations is to be regarded as a natural disposition of man, a natural disposition, moreover, that stays with him in some degree from infancy to old age, and is shared with animals of many other species. Thus it is not the presence of this tendency in childhood or later life that is pathological; pathology is indicated either when the tendency is apparently absent or when fear is aroused with unusual readiness and intensity. When considered in the light of a different theory of motivation and a modern evolutionary perspective, the argument continues, the existence and prevalence of a tendency to fear any and all of these common situations are readily intelligible in terms of survival value.
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An Evolutionary Perspective
Comparative studies of the behaviour of man and other mammals present a picture of the conditions that lead to fear and
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retreat very different from the one that stems from Freud's assumptions. Not infrequently, it is found, the conditions that give rise to fear bear a regular but only indirect relation to what is in fact liable to hurt or damage us. This issue is already touched on in the earlier volume (Chapter 15) in which evidence is presented that, in a wide array of animal species including man, a principal condition that elicits alarm and retreat is mere strangeness. Others are noise, and objects that rapidly expand or approach; and also, for animals of some species though not for others, darkness. Yet another is isolation.
Now it is obvious that none of these stimulus situations is in itself dangerous. Yet, when looked at through evolutionary spectacles, their role in promoting survival is not difficult to see. Noise, strangeness, rapid approach, isolation, and for many species darkness too -- all are conditions statistically associated with an increased risk of danger. Noise may presage a natural disaster: fire, flood, or landslide. To a young animal a predator is strange, it approaches fast and perhaps noisily, and often strikes at night; and it is far more likely to do so when the potential victim is alone. Because of their association with increased risk of danger, therefore, each of these conditions acts as a naturally occurring clue to the likelihood of danger threatening and as such can be utilized by animals. In the long run, moreover, sensitivity to such clues can affect the way in which animals evolve. Because to behave so promotes both survival and breeding success, the theory runs, the young of species that have survived, including man, are found to be genetically biased so to develop that they respond to the properties of noise, strangeness, sudden approach, and darkness by taking avoiding action or running away -- they behave in fact as though danger were actually present. In a comparable way they respond to isolation by seeking company. Fear responses elicited by such naturally occurring clues to danger are a part of man's basic behavioural equipment.
It is not without interest that, in an afterthought to his essay, Freud toyed with the idea that some of the 'phobias' he found so puzzling may conceivably have a biological function: '. . . the fear of small animals, thunderstorms, etc. might perhaps be accounted for as vestigial traces of the congenital preparedness to meet real dangers which is so strongly developed in other animals'. Nevertheless, he quickly dismisses that possibility and concludes by expressing the view that 'In man, only that part of this archaic heritage is appropriate which has reference to
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the loss of the object' ( SE 20: 168); and, as we have already seen, even that part Freud interprets in a non-evolutionary way, namely as a safeguard against the individual's being exposed to excessive stimulation from within.
In the theory here advanced it is, of course, that very archaic heritage that is placed at the centre of the stage. A tendency to react with fear to each of these common situations -- presence of strangers or animals, rapid approach, darkness, loud noises, and being alone -- is regarded as developing as a result of genetically determined biases that indeed result in a
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'preparedness to meet real dangers'. Furthermore, it is held, such tendencies occur not only in animals but in man himself and are present not only during childhood but throughout the whole span of life. Approached in this way, fear of being separated unwillingly from an attachment figure at any phase of the life-cycle ceases to be a puzzle and, instead, becomes classifiable as an instinctive response to one of the naturally occurring clues to an increased risk of danger.
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Chapter 6 Forms of Behaviour Indicative of Fear
Thus, while some animals capable of rapid movement will take to flight under the influence of fear, others, who can move but slowly, will under the same influence remain immobile, or, like the hedgehog or a caterpillar, curl up. But man, where a too urgent fear does not deprive him of his power of forecasting different results, or of judging between them, may choose either to take to flight, or to conceal himself where he is, or to adopt some other means of safety.
ALEXANDER F. SHAND ( 1920)
An empirical approach
The theme of this chapter and the next is that, if we are to understand the stimulus situations that cause human beings to feel fearful and anxious, or by contrast to feel secure, it is necessary to eschew all preconceived notions of what it might be 'realistic' or 'reasonable' or 'appropriate' to fear. Instead, our task must be an empirical one, to examine what is known of the actual situations in which fear and anxiety, or alternatively a sense of security, tend to be felt -- by children, by women, and by men. Only when the natural conditions that arouse fear in man are chronicled and understood shall we be in a position to consider afresh the nature and origin of those heightened and persistent fears and anxieties that affect our patients and are deemed neurotic.
Terminological problems abound, not least in the numerous and varied attempts to distinguish anxiety from fear. Since at this point in the discussion some agreement on terminology is essential, the usage adopted here in respect of certain terms is explained briefly below; more detailed consideration of this topic is, however, postponed to Chapter 12, after the empirical evidence has been displayed and its theoretical implications studied.
Following everyday practice the word 'fear' is used here in a broad, general-purpose way. Like every word denoting emotion, fear has as referent both how we suppose a person to be feeling
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and how we predict he is likely to behave (see Volume I, Chapter 7). Since there is reason to think that fear behaviour has hitherto been given far too little attention, that is where we start. Fear Behaviour
Let us examine the various forms of behaviour that are commonly held to be indicative of fear. They include, of course, the initial forms of behaviour, such as posture, expression, and
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incipient action, that lead us to infer that a person or animal is feeling afraid, and also the less subtle and more active forms of behaviour that often, but not always, follow. Both in ordinary life and in systematic field observation there is a large array of distinct forms of behaviour that it is common practice to group together as being indicative of fear. They include wary watching combined with inhibition of action, a frightened facial expression accompanied perhaps by trembling or crying, cowering, hiding, running away, and also seeking contact with someone and perhaps clinging to him or her. When we ask why all these diverse forms of behaviour should be grouped together, we find the following four reasons:
a. many of these forms of behaviour, though not all, tend to occur either simultaneously or sequentially;
b. events that elicit one of these forms tend to elicit others also (though not necessarily all the others);
c. most of them seem plainly to serve a single biological function, namely protection;
d. when asked how they are feeling, persons behaving in these ways commonly describe
themselves as feeling afraid or anxious or alarmed.
Although these are good reasons for grouping such diverse forms of behaviour together, there are nevertheless risks in doing so. In particular, the conditions that elicit one form of fear behaviour may differ in certain respects from those that elicit another form; and the autonomic responses that accompany one form may well differ from those that accompany another. In animals the distinctiveness of the forms is attested by experiment. Hinde ( 1970) discusses work by Hogan that suggests that, at least in young animals, not only may freezing and withdrawal be separate systems of behaviour, elicited by different types of external stimulation, but they may even be mutually inhibiting. Further evidence on this issue is given in Chapter 8.
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A point to be especially noted, and a corner-stone of the present argument, is that, in ordinary usage, grouped under this single heading of behaviour indicative of fear are to be found forms of behaviour that have at least three distinct kinds of predictable outcome: (a) immobility, (b) increased distance from one type of object, and (c) increased proximity to another type of object. The contrast between the last two outcomes is especially important. For, on the one hand, is behaviour that increases distance from persons and objects that are treated as though they were threatening; on the other is behaviour that reduces distance from persons and objects that are treated as though they provided protection. Naturally, both these types of behaviour do not always occur. Yet they occur together with sufficient frequency to enable us to take the combination for granted. When we flush a rabbit we expect it not only to run from us but to run to cover. When a child is afraid of a barking dog we expect him not only to withdraw from the dog but to retreat towards a parent figure.
Now the usual practice of including under a single heading, that of behaviour indicative of fear, forms of behaviour that have such different predictable outcomes is of great significance. Yet it can very easily make for confusion. In particular it has often tempted psychologists, for example McDougall ( 1923), and also others, to postulate a single all-embracing 'instinct of fear'. An alternative theory and one that keeps far closer to observed data is that we are dealing, not with some single comprehensive form of behaviour, but with a heterogeneous collection of interrelated forms, each elicited by a slightly different set of causal conditions and each having a distinctive outcome. In the sense defined in Part II of the first volume, each such form can be regarded as an example of instinctive behaviour.
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In order to sort out these different forms of behaviour a first step is to examine how attachment behaviour and fear behaviour are related to one another.
Withdrawal behaviour and attachment behaviour
It may already have been noticed that, of the three forms of behaviour with such different predictable outcomes that are habitually treated as indicative of fear, one is already familiar. The behaviour that reduces distance from persons or objects that are treated as though they provided protection is nothing other than attachment behaviour. Viewed in this perspective,
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therefore, though not in others, attachment behaviour appears as one component among the heterogeneous forms of behaviour commonly grouped together as fear behaviour.
It is evident that, if confusion is to be avoided, distinctive names are required also for any other components of fear behaviour that can be clearly identified. For behaviour that tends to increase distance from persons and objects that are treated as though they were threatening, the terms 'withdrawal', 'escape', and 'avoidance' are all convenient. For another principal and well-organized component, namely behaviour that results in immobility, the usual term is 'freezing'. Since, in humans, freezing has been little studied, most of the coming discussion hinges on the relations between attachment behaviour and withdrawal behaviour.
There need, of course, be no surprise that attachment behaviour and withdrawal behaviour are so frequently found together. For, as already argued in the first volume, both serve the same function, namely protection; and, because of that, both show many of the same eliciting conditions. Furthermore, when they are active together, as so frequently they are, the two forms of behaviour are usually compatible: more often than not it is easy to combine in a single action withdrawing from one zone and approaching another. It is in fact for these very reasons that the two are so habitually paired together, without distinction or thought, under the general rubric of fear behaviour.
Nevertheless, although attachment behaviour and withdrawal behaviour have so much in common, there are strong reasons for keeping them distinct. One is that, although they share many eliciting conditions, they do not share all. For example, attachment behaviour may be activated by fatigue or illness as well as by a situation that arouses fear. Another is that when the two forms of behaviour are active together, though they are usually compatible, they may not be. Conflict can easily occur, for example, whenever a stimulus situation that elicits both escape and attachment behaviour in an individual happens to be situated between that individual and his attachment figure; a familiar instance is when a barking dog comes between a child and his mother.
In a conflict situation of that sort there are at least four ways in which the frightened individual may behave, depending on whether escape behaviour or attachment behaviour takes precedence or whether they are evenly balanced. Examples of
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balance are when the frightened individual stays stationary, and also when he gets to his attachment figure by making a de? tour to avoid whatever is frightening him. Examples of one
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or other form of behaviour taking precedence are when the frightened individual goes more or less directly to his attachment figure despite having to pass close to the frightening object in order to do so, and also when he runs away from the frightening object even though by doing so he increases the distance from his attachment figure.
Although there is a large literature on approach/avoidance conflict, it is doubtful whether any experiments have been undertaken to determine, in the case of this version of the conflict, which of these different solutions is favoured by creatures of different age and species, and in different conditions. Any assumption that escape behaviour commonly takes precedence over attachment would, however, certainly be wrong. Much everyday experience shows that, in young animals of many species, attachment behaviour frequently takes precedence over escape. An example is the behaviour of lambs on a hill road when a car approaches. Caught on the side of the road opposite to its mother and frightened by the approaching car, a lamb will as often as not rush across the road in front of the car. Small children are apt to do the same.
Studies of human behaviour during and after a disaster contain countless vivid accounts of how no member of a family is content, or indeed able to attend to anything else, until all members of the family are gathered together. The studies describe also the tremendous comfort that the presence of another familiar person can bring and how, during the weeks after a disaster, the rule is for people to remain in close contact with attachment figures. Again and again attachment behaviour takes precedence over withdrawal. The findings of some of these studies are referred to again at the end of Chapter 10.
A special but not unusual situation in which there is conflict between attachment behaviour and withdrawal is when the attachment figure is also the one who elicits fear, perhaps by threats or violence. In such conditions young creatures, whether human or non-human, are likely to cling to the threatening or hostile figure rather than run away from him or her (for references, see Volume I, Chapter 12). This propensity may be playing a part in so-called phobic patients, whose inability to leave home is found often to be a response to alarming threats made by their parents (see Chapters 18 and 19).
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This analysis shows that attachment behaviour and withdrawal behaviour are distinct behavioural systems that (a) have the same function, (b) may be elicited by many of the same conditions, (c) are frequently compatible with each other, but (d) can easily be in conflict. In cases of conflict it is a matter for inquiry to discover which, if either, takes precedence.
Fear and Attack
Stimulus situations that are likely to arouse fear in humans can also, when circumstances are a little changed, evoke attack. The close link between the two very different forms of behaviour is considered in Chapter 8 in so far as it is seen and studied in animals and in Chapter 17 in so far as it occurs in humans.
Feeling afraid and its variants: feeling alarmed and feeling anxious
Whether compatible or in conflict with one another, attachment behaviour and escape behaviour are commonly elicited by many of the same stimulus situations and are, it is held,
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always serving the same function, that of protection. It is not surprising, therefore, that in at least some circumstances the two forms of behaviour are accompanied by rather similar subjective experience. When confronted by a stimulus situation that makes us want to withdraw or escape from it, we are likely to describe ourselves as feeling afraid, or frightened, or alarmed, or perhaps anxious. Equally, whenever our attachment behaviour is aroused, perhaps by a similar sort of situation, but for some reason we are unable to find or reach our attachment figure, we are likely to describe how we feel in much the same words. For example, we might say, 'I was afraid you were gone', or 'I was frightened when I could not find you', or 'Your long absence made me anxious'.
This rather promiscuous use of language is both revealing and confusing. On the one hand, it strongly suggests that escape behaviour and attachment behaviour may share certain basic features in common. On the other, it becomes easy for the unwary to assume that, because in common speech words are used without discrimination, whatever is referred to can be treated as though it were undifferentiated. In addition, promiscuous usage makes it extremely difficult to tie any specialized meaning to any particular word.
It has already been emphasized how, despite Freud's increasing insistence on the key role of separation anxiety in
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neurosis, there has been marked reluctance to adopt his ideas, partly because of the influence of his earlier theories and partly because of the difficulty that both he and others have had in understanding why separation should in and of itself engender fear or anxiety. This long- lasting difficulty is well illustrated in a passage in a recent book on anxiety by Rycroft ( 1968a), comment on which serves to further the argument.
After referring briefly to evidence of the kind set out fully in Chapters 3 and 4 of this volume, Rycroft proceeds:
Observations of this kind, made on both animals and human infants, have given rise to the idea that all anxiety -- or at least all neurotic anxiety -- is in the last resort separationanxiety, a response to separation from a protecting, parental object rather than a reaction to unidentified danger. There are, however, objections to this idea. In the first place it is surely illogical to regard the absence of a known, protective figure rather than the presence of an unknown, threatening situation as the cause of anxiety. To do so is like attributing . . . frostbite to inadequate clothing and not to exposure to extreme cold.
Reflection shows that there is in fact nothing illogical in making the attributions to which Rycroft objects. The causal conditions producing frostbite include both extreme cold and inadequate clothing. It is, therefore, just as reasonable to inculpate the one as the other. 1
For our purpose, however, another analogy in which two conditions are equally relevant for safety is more apt. The safety of an army in the field is dependent not only on its defending itself against direct attack but also on its maintaining open communications with its base. Any military commander who fails to give as much attention to his base and lines of
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1 Rycroft puts forward two other arguments to support his case. One is that 'the young of
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both animals and man do not invariably become anxious when left alone; they may remain quiet and contented unless some other disturbing element is present'. This argument has substance and is discussed in Chapter 12. The other is that 'the exposure of infants and young animals to simultaneous stress and isolation is an unnatural artefact'. This is certainly not so. There is ample evidence that exposure of infants and young animals to simultaneous stress and isolation occurs in the wild, even if infrequently (see, for example, van Lawick-Goodall's observations on young chimpanzees, described briefly in Chapter 4, p. 59 above).
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communication as to his main front soon finds himself defeated. The thesis advanced here, then, is that it is no less natural to feel afraid when lines of communication with base are in jeopardy than when something occurs in front of us that alarms us and leads us to retreat.
Though a military analogy is useful, it requires amplification. As a rule a commander-in-chief in charge of front-line forces is also in command of his base. Therefore any threat to his base or to his lines of communication is likely to come only from a single source, the enemy. Let us suppose, by contrast, that the general commanding the front-line forces is not in command of the base, and that another general of equal or superior status is in charge there. In such a situation the general commanding at the front could well have two sources of anxiety, one regarding possible enemy attack and the other regarding possible defection by his colleague at base. Only if there were complete confidence between the two generals could the arrangement be expected to work.
A situation of that kind, it is suggested, holds between an individual and his attachment figure. Each party is inherently autonomous. Given basic trust the arrangement can work well. But any possibility of defection by the attachment figure can give rise to acute anxiety in the attached. And should he be experiencing alarm from another source at the same time, it is evident that he is likely to feel the most intense fear.
In clinical work, it is held, we should be as much concerned with threats to rear as with threats to front. In Part III of this volume evidence is presented that suggests that the acute and chronic anxieties of patients stem as often from breakdown in relations with base as from all other hazards put together. It is, indeed, a special merit of some psychoanalytic traditions that, in their concern with object relations, they have focused attention especially on relations with base.
It is necessary to emphasize that at one important point the military analogy breaks down. Whereas generals are concerned to assess real dangers, animals and children, and in great degree human adults also, are attuned to respond mainly to rather simple stimulus situations that act as natural clues either to an increased risk of danger or to potential safety, clues that are only roughly correlated with actual danger or actual safety. This much neglected fact was touched on at the end of the previous chapter and is explored systematically in Chapters 8, 9, and 10.
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Terminology
The fact that the same vocabulary is in everyday use to describe how we feel both when threatened with attack and when our base is threatened suggests a similarity of feeling in the two situations. Yet it seems probable that feeling experience in the two situations is not identical. For this reason there would be advantages in having distinctive words.
In discussion of the problem in earlier papers ( Bowlby 1960a; 1961a) and again very briefly in the first volume (end of Chapter 15) a usage is proposed not dissimilar to that adopted by Freud in his later work. In so far as we may try at times to withdraw or escape from a situation, the word 'alarmed' is in many ways a suitable one to describe how we feel. In so far as we may at times be seeking an attachment figure but be unable to find or reach him (or her), the word 'anxious' is in many ways a suitable one to describe how we feel. This usage can be supported by reference both to the etymological roots of the respective words and to psychoanalytic tradition. Supporting arguments are presented in Appendix III to this volume.
In the terminology adopted, therefore, fear behaviour and feeling afraid are used as general- purpose terms, terms that encompass all forms of behaviour and, for humans, all shades of feeling also. When greater discrimination is required, the terms used are freezing and withdrawal or escape behaviour, which go with feeling alarmed, and attachment behaviour, which, when not terminated, goes with feeling anxious. Not infrequently, of course, a person is trying simultaneously to escape from one situation and, without success, to gain proximity to another. In such a case he would be described in this terminology as feeling both alarmed and anxious.
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Chapter 7 Situations that Arouse Fear in Humans
. . . certain ideas of supernatural agency, associated with real circumstances, produce a peculiar kind of horror. This horror is probably explicable as the result of a combination of simpler horrors. To bring the ghostly terror to its maximum, many usual elements of the dreadful must combine, such as loneliness, darkness, inexplicable sounds, especially of a dismal character, moving figures half-discerned . . . , and a vertiginous baffling of the expectation. This last element, which is intellectual, is very important.
WILLIAM JAMES ( 1890)
A difficult field of study
Evidence is given (Chapters 3 and 4) of the distress and anxiety that are aroused when young creatures, human and other, are removed from a figure to whom they are attached and placed with strangers. In such circumstances, we know, behaviour is directed as least as much to regaining the familiar figure as it is to escaping from the strange people and situation. In those chapters attention is concentrated on the effects on behaviour of a single variable, presence or absence of mother; and thereby light is thrown on one-half of our problem, a half hitherto
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much neglected. It is time now to give attention to the other and more familiar half, the nature of some of the other variables that are likely to elicit one or another form of fear behaviour.
Not only are the forms of behaviour usually classified as fear behaviour heterogeneous, but so also, as we have seen, are the immediate situations and events that commonly elicit them. They include, besides being lost or alone, sudden noises and movements, strange objects and persons, animals, height, rapid approach, darkness, and anything we have learnt can cause pain. It is a motley list. And not only motley but the power of each situation or event to elicit fear is most uncertain. Where one person is afraid another is not. Where someone is unafraid today he is afraid tomorrow, or the other way round.