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961.
962.
Tiffany?Fu Wilma?KoutstaalEmail author Cynthia?H.?Y.?Fu Lucia?Poon Anthony?J.?Cleare 《Journal of psychopathology and behavioral assessment》2005,27(4):243-252
This research examined how retrospective self-assessments of performance are affected by major depression. To test the validity of the depressive realism versus the selective processing hypotheses, aggregate posttest performance estimates (PTPEs) were obtained from clinically depressed patients and an age-matched comparison group across 4 decision tasks (object recognition, general knowledge, social judgment, and line-length judgment). As expected on the basis of previous findings, both groups were underconfident in their PTPEs, consistently underestimating the percentage of questions they had answered correctly. Contrary to depressive realism, and in partial support of the selective processing account, this underconfidence effect was not reduced but modestly exacerbated in the depressed patients. Further, whereas the PTPEs of the comparison group exceeded that expected on the basis of chance alone those of the depressed individuals did not. The results provide no support for the depressive realism account and suggest that negative biases contribute to metacognitive information processing in major depression.The results reported in this paper are based on an extension of the MSc dissertation of Tiffany Fu, conducted in partial fulfillment of the degree of MSc in Research Methods in Psychology, University of Reading, 2003 相似文献
963.
Klein and MacInnes [Klein, R. M., & MacInnes, W. J. (1999). Inhibition of return is a foraging facilitator in visual search. Psychological Science, 10, 346-352] posited that the function of a phenomenon known as the inhibition of return (IOR) [Posner, M. I., & Cohen, Y. (1984). Components of visual orienting. In H. Bouma, & D. G. Bouwhuis (Eds.), Attention and performance X: Control of language processes (pp. 531-554). Hillsdale, NJ: Erlbaum] is to facilitate the foraging of food and objects in the environment. Once a target object has been identified either the location of that target in space or a movement to that target is inhibited in order to allow the performer to shift his/her attention to something new. Interestingly, in the majority of IOR studies, participants begin their search from a central home position. This research examined IOR in a nomadic target-target paradigm in which the home position randomly appeared at one of three target locations and attentional shifts/movements progressed to other locations. In Experiment 1, participants executed simple manual button presses in response to the sequential presentation of a home position and then two target stimuli. In Experiment 2, participants made manual-aiming movements in response to the same type of presentation. Results obtained from both experiments implicate perceptual-motor mechanisms over and above the inhibition of a specific target location or response. Inhibitory effects appear to be associated with both perceptual and motor processes, and depend not only on the temporal and spatial relations between potential targets, but also on the actions required to detect or engage the targets. 相似文献
964.
Arguing against the dominant developmental theories (e.g., Piaget, 1945; Vygotsky, 1978) stating that pretend play is limited to early childhood, we illustrate that pretend play is an adaptive human activity of adulthood as well as childhood. We advance this argument on three levels. First, we offer an analysis of why the discipline of developmental psychology in the Western world considered play only as an activity of childhood by neglecting to explore whether or how pretend play exists during adulthood. Second, we discuss the similarities between adult improvisational theater and children’s pretend play in illustrating our thesis that pretend continues to exist during adulthood. In this discussion, we focus on similarities in the definitions, psychological origins, social functions, and developmental consequences of pretend play and adult improvisation. Finally, we end the article with educational implications of conceptualizing pretend play as a life-span activity and offer directions for future research. 相似文献
965.
The retrieval-based account of serial recall (Saint-Aubin & Poirier, 2000) attributes lexicality, phonological similarity, and articulatory suppression effects to a process where long-term representations are used to reconstruct degraded phonological traces. Two experiments tested this assumption by manipulating these factors in the recall of four- and five-item lists of words and non-words. Lexicality enhanced item recall (IR), but only affected position accuracy (PA) for five-item lists under suppression. Phonological similarity influenced both words and non-words, and produced impaired PA in silent and suppressed conditions. Consistent with the retrieval-based account, words and non-words of high word-likeness appear subject to redintegration. However, some findings, like suppression not reducing the phonological similarity impairment in suppressed conditions, present challenges for the retrieval-based account and other models of serial recall. 相似文献
966.
Immediate serial recall for letter sequences was impaired when irrelevant speech (IS) was presented throughout stimulus input
and a subsequent rehearsal interval. This irrelevant-speech effect was eliminated when participants engaged in articulatory
suppression (repeated articulation of one or more digits) during stimulus input but not when suppression occurred during the
postinput rehearsal period. Also, changing-state suppression (articulation of multiple items) impaired the overall level of
performance more than did steady-state suppression (repetition of a single item), whereas both forms of suppression had the
same influence on the IS effect. Our results suggest that the locus of suppression (during or after stimulus input) may have
contributed to discrepant findings in the prior literature regarding the influence of articulatory suppression on the IS effect.
We consider the implications of our findings for three prominent models of immediate memory: the working memory model, the
objectoriented episodic record model, and the feature model. 相似文献
967.
968.
Although the parietal lobe is not traditionally thought to support declarative memory, recent event-related fMRI studies of episodic retrieval have consistently revealed a range of memory-related influences on activation in lateral posterior parietal cortex (PPC) and precuneus extending into posterior cingulate and retrosplenial cortex. This article surveys the fMRI literature on PPC activation during remembering, a literature that complements earlier electroencephalography data. We consider these recent memory-related fMRI responses within the context of classical ideas about parietal function that emphasize space-based attention and motor intention. We conclude by proposing three hypotheses concerning how parietal cortex might contribute to memory. 相似文献
969.
It has been known for some years that specific language impairment (SLI), an unexpected failure to acquire age-appropriate language skills, is highly heritable. However, molecular genetic studies have been hampered by the heterogeneity of the disorder and the predominant lack of clear genotype-phenotype relationships. We review recent studies suggesting that a better understanding of the genetics of SLI might emerge if we move away from clinical criteria for diagnosis to look instead at a theoretically based quantitative and cognitive measure of the phenotype: a test of phonological short-term memory (STM). Deficient phonological STM has been linked to specific genetic loci, and might play a role in determining some types of reading impairment as well as SLI. Identifying those cognitive deficits that work best as indices of heritable phenotypes will help us to uncover the aetiology of developmental disorders. 相似文献
970.
Although clinical impressions suggest that patients with body dysmorphic disorder (BDD) experience distress in social situations, social anxiety in BDD has received little investigation. This study examined social anxiety in 81 patients with BDD and change in social anxiety with pharmacotherapy. Subjects completed the Social Avoidance and Distress Scale (SADS) and were assessed with measures of BDD symptomatology. Participants in a placebo-controlled fluoxetine trial completed measures at baseline and endpoint. The mean SADS score was 1.3 SD units higher than nonclinical sample means but consistent with other clinical sample means. Social anxiety was significantly correlated with BDD severity. Greater depressive symptoms as well as comorbid avoidant personality disorder, but not comorbid social phobia, were also associated with higher SADS scores. Social anxiety did not improve more with fluoxetine than placebo, yet it improved significantly more in fluoxetine responders than in nonresponders. Understanding social anxiety in BDD has implications for reducing rates of misdiagnosis and treatment dropout. 相似文献