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Biomedical subjects

F N Watts

Publications and source records attributed to F N Watts.

At least 19 recordsLinked to original sources

Worry and the suppression of imagery.

This experiment investigates Borkovec's theory that the function of worry is to protect people from potentially distressing emotional imagery. The experiment builds on a previous one of Borkovec and Inz (Behaviour Research and Therapy, 28, 153-158, 1990) comparing the frequency of thoughts and images in imagery and relaxation. The present experiment confirms the previous finding that worry is associated with less imagery than relaxation, but shows that this is not distinctive to worry. Indeed, an additional control condition, 'present-oriented mentation', was associated with even less imagery than worry. The fact that other kinds of thinking are at least as effective as worry in suppressing emotional imagery indicates that this property of worry is not sufficient to explain its occurrence.

Adult

The contribution of worry to insomnia.

Recent research has pointed to the importance of cognitive activity in interfering with sleep, and suggested a close relationship between worry and insomnia. To explore the relationship between worry and insomnia in more detail, a sample was studied in which worry and insomnia were combined in a 2 x 2 design. The content of sleep-interfering cognitions was explored both with a previously developed Sleep Disturbance Questionnaire and a newly developed checklist of the content of thoughts that arose if people could not sleep. Both supported the importance of a distinction between sleep-related and other thoughts. Whereas worried insomniacs show a broad range of sleep-interfering thoughts, the thoughts of non-worried insomniacs focused mainly on sleep itself.

Adult

Phobics show poor recall of anxiety words.

An experiment was conducted on recall bias between words relating to stimulus and response aspects of spider phobia. In contrast to the experiment of Watts & Coyle (1992) mixed lists were used. Whereas Watts & Coyle had found no bias of phobics between stimulus and response words, the present experiment found that phobics were relatively impaired in the recall of words relating to the anxiety response, compared with words relating to the stimulus features of spiders. This suggests a cognitive mechanism, not unlike repression, in which diminished recall of anxiety-related material helps to protect against the build-up of anxiety. Also, over the three times the word list was presented, phobics showed a non-significant trend to forget more stimulus words between lists. It is recommended that future studies on recall bias associated with anxiety should examine trial-to-trial changes as well as overall recall levels.

Adult

Applications of current cognitive theories of the emotions to the conceptualization of emotional disorders.

After a period of neglect the psychological study of emotions is making good progress; work from the perspective of cognitive psychology is currently predominant. Key conceptual and theoretical topics from the psychology of the emotions are reviewed and their clinical implications considered. Particular attention is given to (i) the value of formulating emotional disorder within the framework of a basic theory of emotion that emphasizes its functional value, (ii) analysing the extent to which emotional reactions are 'appropriate' in the sense of having perceptual warrant, (iii) distinguishing between thoughts/images and interpretations of the world in formulating the cognitive aspects of emotional reactions, and (iv) the application of appraisal theory, particularly to complex emotions.

Affective Symptoms

Expedition stress and personality change.

There have been few attempts to investigate the widespread assumption that short-term challenges can have beneficial effects on personality. An expedition to India organized by the British Schools Exploring Society provided such an opportunity. The Gordon Personal Profile Inventory showed that the expedition was associated with increased ascendancy, emotional stability, sociability and responsibility, and decreased cautiousness. Women tended to benefit more than men. The results suggest that the expedition was associated with positive personality changes, though other explanations of the findings cannot be ruled out.

Adolescent

The factorial structure of sleep dissatisfaction.

Research into sleep problems has been dominated by a number of theoretical perspectives from each of which useful treatment applications have been derived. However, the rich diversity of problems that are subsumed under insomnia or sleep disturbance often remain unappreciated. This paper reports the results of a factor analysis performed on the combined items of two questionnaires designed to assess sleep disturbance. Six factors are described, two of which relate to cognitive aspects of sleep disturbance; two which map onto sleep onset and sleep maintenance problems; and two which are drawn from dissatisfaction with poor sleep. Correlations of factor scores with measures of neuroticism, worry and various sleep history variables provide a strong level of construct validity. The results are discussed in terms of their treatment implications.

Attitude to Health

Articulatory suppression and the treatment of insomnia.

The prominence of intrusive thoughts in insomnia suggests the relevance of cognitive techniques to control them. It is suggested that the technique of Articulatory Suppression derived from Baddeley's model of Working Memory provides a relevant approach. The technique is presented as it was developed with a preliminary uncontrolled case series. A single-case experiment is then reported in which Articulatory Suppression was compared with other techniques. The preliminary indications are that it may be particularly helpful for sleep maintenance problems.

Adult

Memory deficit in clinical depression: processing resources and the structure of materials.

Resource theory predicts that the relative memory deficit shown by depressed patients should be greater with unstructured than structured material. Previous data using semantic categories word lists supports this, but lists approximating to text have produced the opposite result. Both types of structure were studied in this experiment. The prediction from resource theory was found to hold only when comparing medium and high levels of structure, and to hold more clearly for word lists approximating to text than for semantic categories lists. When word lists of low and medium levels of structure were compared, depressed patients showed relatively greater deficit with the more structured material. Ways in which this could be accommodated in a revised version of resource theory are discussed.

Adult

Aversion to personal body hair: a case study in the integration of behavioural and interpretative methods.

A case is described of intense aversion to personal body hair on the chest, legs and arms. Exposure methods of behavioural treatment were used, combined with interpretative ones. Exposure was found to facilitate self-exploration, which in turn led to the successful completion of exposure treatment. The circumstances under which exposure treatment can benefit from being combined with interpretative work are discussed.

Adult

The role of provocative visual stimuli in agoraphobia.

Three studies examine the role that provocative visual stimuli have in eliciting anxiety reactions in people with agoraphobia. Such stimuli elicit more anxiety in agoraphobic patients than control subjects. The effect of visual stimulation appears to be specific: (1) non-visual stimulation is without comparable effect; (2) both control and agoraphobic groups show similar effects of visual stimulation on another reaction such as headache. The anxiety effects of visual stimuli are correlated with the extent to which subjects experience depersonalization and somatic symptoms of agoraphobia, but not correlated with depression or the behavioural or cognitive aspects of agoraphobia. Alternative accounts of the possible role of visual stimulation in the anxiety reactions of agoraphobic patients are discussed.

Agoraphobia

The effects of depression on structural aspects of the recall of prose.

Investigated depressed patients' memory for stories. This indicated that although normal Ss showed particularly good recall for units central to the structure of the story, this did not hold for depressed Ss. In contrast, effects of centrality were comparable in high- and low-IQ Ss and effects of imageability of story units were comparable in both depressed and normal Ss. These results are consistent with the hypothesis that depressed patients do not use structure to organize stories when encoding them. A failure to identify central aspects of material and selectively recall them is likely to be a handicap to everyday functioning.

Depressive Disorder

The specificity of personal memories in depression.

Recent research has suggested that depressive biases in personal memory may be due to an inability to progress beyond a general level when trying to retrieve specific positive memories. This study produced further evidence of this phenomenon. When trying to access specific hedonically toned memories, depressed patients more often responded with a general memory and, especially for positive cues, were unable then to progress to a specific memory, even after prompting. The implications for cognitive therapy for depression are discussed.

Affect

Associations between phenomenal and objective aspects of concentration problems in depressed patients.

The paper explores a distinction between different kinds of lapse of concentration in depressed patients. The strategy is to begin with the phenomenological distinction between the mind (a) 'wandering' on to something else or (b) going 'blank'. Blanking, but not mind-wandering, is associated with longer planning times on the 'Tower of London' task. In contrast, mind-wandering but not blanking, is associated with poor memory for prose, at least under ordinary processing conditions. Different phenomenal forms of concentration problem thus have different task performance correlates. A tentative formulation is offered in terms of Shallice's model of the regulation of attention. Mind-wandering is seen as a problem of 'contention scheduling', and blanking as the result of generalized inhibition by the Supervisory Attentional System. It is evident that not all performance deficits in depression can be attributed to the cognitive capacity taken up by competing thoughts.

Adult

Cued recall in depression.

An experiment is reported in which a depressed and a control group were tested on free recall, cued recall and recognition memory for a prose passage. As expected from previous work the depressives tended to show less impairment on recognition than on free recall. However, contrary to what some theories would predict, cued recall performance was no better than free recall. The implications of this finding for the nature of the depressive memory deficit for neutral materials are discussed. It seems that neither the amount of verbal output required, nor the need to generate retrieval cues, are critical factors.

Cues

Endocrine responses and examination anxiety.

Endocrine and psychological function (measuring both affect and attitudes to study) were studied in 38 male medical students 4 weeks and 1-2 h before a major examination. Anxiety (or tension) and emotionality increased just before the examination, as did the 'denial' subscale of a 'coping' questionnaire. Serum cortisol and prolactin increased; serum testosterone and LH were unchanged. Both urinary noradrenaline and adrenaline were elevated. Increased cortisol correlated with increased prolactin across subjects; so, too, did levels of urinary noradrenaline and adrenaline, but the two sets of endocrine responses were not correlated with each other. Several of the trait scales predicted the endocrine response to the examination. The 'lie' scale of the Eysenck Personality Questionnaire correlated negatively with changes in both cortisol and prolactin, as did 'debilitating' anxiety, as defined by the Alpert-Haber scale. However, although there were no significant correlations between changes in hormone levels and those in any of the state scales, there was some relation between absolute hormone levels on the day of the examination. Measures of academic strategies or psychological responses to examinations do not predict the nature of the considerable hormonal response which occurs in this homogeneous set of high-achieving students.

Anxiety

Processing of phobic stimuli.

The hypothesis tested in the present experiments is that phobics show poor focused attention for phobic stimuli. A test of the hypothesis was undertaken using spider phobics' performance in a recognition memory task involving dead spiders as an index of processing. The first experiment confirmed the hypothesis of poorer processing of spider stimuli in phobics, but only for big spiders on a post hoc division of spider stimuli. These were interpreted as being the more arousing. There was also a tendency for desensitization to improve spider recognition. The second experiment investigated recognition memory under 'ordinary' and 'elaborated' processing conditions, but the hypothesis of poorer spider recognition in phobics was confirmed only in a post hoc correlational analysis for the elaborated processing condition. The hypothesis is related to findings that long-term benefit from exposure treatments is facilitated by focused attention.

Adaptation, Psychological

Colour naming of phobia-related words.

A version of the Stroop test was developed which requires colour naming of spider words. Spider phobics were severely retarded on this task, but not on the conflicting colour-word Stroop or a Stroop with more general threat words. Desensitization of phobics significantly reduced interference on the Spider Stroop. A third experiment examined the retest properties of the Stroop and the value of equivalent forms. The explanation of the Spider Stroop effect and its usefulness as an outcome measure are discussed.

Adult