Journal of abnormal psychology
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The 10th revision of the International Classification of Diseases and Related Health Problems (ICD-10; World Health Organization, 1990) and the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) will both come into use in 1993 and be much more alike than the ICD-9 (World Health Organization, 1978) and the DSM-III (American Psychiatric Association, 1980). The American Psychiatric Association's controversial decision to publish a revision of the DSM-III in 1987 before setting up the Task Force to produce the DSM-IV impaired the association's ability to influence the format of the ICD-10, because by then major decisions had already been made by the World Health Organization. The DSM-IV will be more soundly based on a wider range of empirical data than any previous classification, national or international, and should not be revised again without compelling scientific reasons.
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The relation between catastrophizing, depression, and pain was examined in 125 chronic pain patients. The Coping Strategies Questionnaire (CSQ; Rosenstiel & Keefe, 1983) assessed patients' use of cognitive and behavioral strategies to cope with chronic pain. A significant association between catastrophizing and depression was found. ⋯ All items contained in the Catastrophizing subscale were rated by all psychologists as being reflective of symptoms of depression and were removed from the CSQ. When this subscale was excluded, none of the remaining CSQ subscales were significantly related to depression. The discussion addresses the interpretive difficulties that arise from hypothesizing mediating relations between variables that are conceptually and operationally confounded.
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Comparative Study
Parental communication deviance and schizophrenia: a cross-cultural comparison of Mexican- and Anglo-Americans.
Levels of parental communication deviance (CD), as measured on the Thematic Apperception Test (TAT), were compared among families of schizophrenic patients in two culturally distinct groups. Spanish-speaking Mexican-American parents of schizophrenics completed the TAT in their native language, and CD was coded from their stories by a Spanish-speaking rater. ⋯ Factor scores that measure distinct subtypes of CD also did not differ across groups. The data suggest that levels of CD, despite discriminating between parents of schizophrenics and nonschizophrenics, do not vary across different languages and cultures.
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Clinical Trial Controlled Clinical Trial
Hypnosis, suggestion, and placebo in the reduction of experimental pain.
Two experiments compared placebo and hypnotic analgesia in high and low hypnotizable subjects. Experiment 1 demonstrated that hypnotic and placebo analgesia were equally ineffective in low hypnotizables, but that hypnotic analgesia was much more effective than placebo analgesia in high hypnotizables. Experiment 2 replicated these results, but also included low and high hypnotizables who were given a nonhypnotic suggestion for analgesia. ⋯ Both experiments found substantial discrepancies between the amount of pain reduction subjects expected from the various treatments and the amount of pain reduction they actually reported following exposure to those treatments. In Experiment 2, subjects in all treatments who reduced reported pain engaged in more cognitive coping and less catastrophizing than those who did not reduce pain. Theoretical implications are discussed.
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We examined the influence of visual information on a decision task that was administered to an individual with monocular visual conversion disorder. Findings indicated that his performance was influenced by the visual information and by motivation instructions. The findings are discussed in terms of a model of hysterical blindness that recognizes the interplay of cognitive and motivational processes.