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J M Gold C Randolph C J Carpenter T E Goldberg D R Weinberger 《Journal of abnormal psychology》1992,101(3):487-494
Effortful and automatic memory task performances were examined in 36 schizophrenic patients and 18 normal control Ss. Tasks included free recall, recognition, and frequency estimation. Patients demonstrated impairment in recall, in recognition, in semantic encoding, and in frequency estimation. Deficits were observed across tasks despite differences in attentional demands. The results suggest a basic compromise of memory function, which is consistent with recent neuroimaging evidence of structural or physiological abnormalities in frontal and temporal lobe structures in schizophrenia. 相似文献
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Randolph W. Parks Daniel S. Levine Debra L. Long David J. Crockett Irene E. Dalton Herbert Weingartner Paul Fedio Kerry L. Coburn Gil Siler Jane R. Matthews Robert E. Becker 《Neuropsychology review》1992,3(2):213-233
Neural networks can be used as a tool in the explanation of neuropsychological data. Using the Hebbian Learning Rule and other such principles as competition and modifiable interlevel feedback, researchers have successfully modeled a widely used neuropsychological test, the Wisconsin Card Sorting Test. One of these models is reviewed here and extended to a qualitative analysis of how verbal fluency might be modeled, which demonstrates the importance of accounting for the attentional components of both tests. Difficulties remain in programming sequential cognitive processes within a parallel distributed processing (PDP) framework and integrating exceedingly complex neuropsychological tests such as Proverbs. PDP neural network methodology offers neuropsychologists co-validation procedures within narrowly defined areas of reliability and validity. 相似文献
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Randolph Ochsmann 《European journal of social psychology》1984,14(1):53-67
Investigating the notion that belief in afrerlife (BA) serves the function of helping the individual to deal with fear of death, a study was designed to explore the effect of public commitment to religion, repression-sensitization, and anticipatory concern with death and dying on BA, and examine the relationship between BA and state anxiety. Fifty students of theology and fifty students of various other subjects responded to a German version of Byrne's R-S scale, and then were randomly assigned to two conditions: they either worked through Thanatos-Questionnaire, and thereby were confronted with death and dying for about 15 to 20 minutes, or filled out a questionnaire unrelated to the topic. Thereupon, a BA scale was administered, and at last, subjects responded to a scale measuring state anxiety. The findings of Osarchuk and Tatz (1973) that religiously committed persons are strengthening BA after being confronted with death and dying could not be replicated. However, among subjects with no public commitment, those concerned with death and dying scored significantly lower on BA than those not concerned. This effect was especially observed among students classified as sensitizers. Because changes of BA did not correspond with changes of within cell correlations between BA and state anxiety, an alternative explanation of the findings in terms of dissonance theory is put forward. 相似文献
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While a considerable amount of research has centered on explaining the risky shift (enhancement of risk acceptance through group discussion; see, for example, Dion, Baron, and Miller, 1970), few studies have investigated the generality of the phenomenon. Three of several ways in which the laboratory context is usually lacking of reality are: (a) The decision consequences are imaginary, as in the ‘Choice-Dilemma’ situations used in most of the risky-shift research; (b) the decision consequences - even if they are real (e.g. money) - are slight; and (c) the decisions are made for oneself (whereas in real life many decisions involve agents acting on behalf of others). The present study was designed to investigate the effects of the above three factors - type of incentive, magnitude of stake and decision target - using a betting task as the decision situation. 相似文献
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This paper introduces the concept of ethnotherapeutic empathyin working with ethnoculturally different patients to increase the efficacy of therapy. This form of empathy is used instrumentally to get to know the patient's inner problematic images, anxieties, fears, depressive affect, suffering, hurt, disillusionment, rage, joy, and triumph. Clinical empathy with ethnic patients is instrumental in that it is purposive:it sets out to achieve what might be called patient-comprehending(that is, finding out the nature of the patient's problems) using this as guide to intervening—a form of creativity-in-action. Ethnotherapeutic empathy utilizes active ego processes, in contrast to the passive processes implied in artistic appreciation and surrender. This article presents the definitions of empathy, and associated intrapsychic and social factors, as well as physiological responses in empathie responding. The implications for clinical practice with patients of differing ethnocultural and racial groups are discussed. The article develops a foundation for understanding the therapeutic matrix of applied ethnotherapeutic empathy which is detailed in the second part of this article (Ethnotherapeutic Empathy [EthE]—Part II: Techniques of Vicarious experiencing Across Cultures). 相似文献
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Violations of transitivity: Implications for a theory of contextual choice 总被引:1,自引:1,他引:0 下载免费PDF全文
Grace RC 《Journal of the experimental analysis of behavior》1993,60(1):185-201
Violations of strong stochastic transitivity in concurrent-chains choice were first reported by Navarick and Fantino. In a series of articles, Navarick and Fantino concluded that neither a unidimensional model capable of predicting exact choice probabilities nor a fixed-variable equivalence rule was possible for the concurrent-chains procedure. I show that when choice is modeled contextually (i.e., when preference for a schedule is affected by factors other than the schedule itself, e.g., aspects of the alternative schedule), a unidimensional, exact-choice probability model is possible that both predicts the intransitivities reported by Navarick and Fantino and provides a fixed-variable equivalence rule for the concurrent-chains procedure. The contextual model is an extension of the generalized matching law and violates a key assumption underlying traditional choice models—simple scalability—because of (a) schedule interdependence and (b) bias from procedural contingencies. Therefore, strong stochastic transitivity cannot be expected to hold. Contextual scalability is analyzed to reveal a hierarchy of context effects in choice. Navarick and Fantino's intransitivities can be satisfactorily explained by bias. If attribute sensitivity is context dependent, however, and if there are similarity structures among choice alternatives, the contextual model is shown to be able to predict violations of ordinal preference. Therefore, it may be possible to formulate a deterministic, general psychophysical model of choice as a behavioral alternative to probabilistic, multidimensional choice theories. 相似文献