Uhlhaas Peter J, Silverstein Steven M, Phillips William A, Lovell Paul G
Center for Computational and Cognitive Neuroscience and Department of Psychology, University of Stirling, Stirling FK 9 4 LA, UK.
Schizophr Res. 2004 Jun 1;68(2-3):249-60. doi: 10.1016/S0920-9964(03)00184-1.
Visual context processing was examined in relation to schizotypy in a large nonclinical university population. Schizotypal status was assessed with the Schizotypal Personality Questionnaire (SPQ) [Schizophr. Bull. 17 (1991) 555]. Schizotypal (n=32) and non-schizotypal (n=37) subjects were tested on a contour integration task (where context processing is necessary for good performance) and a visual size perception task (where context processing impairs accurate performance). In addition, a short form of the Thought Disorder Index (TDI) [Psychol. Assess. 5 (1993) 75] was administered to 28 schizotypal subjects. Thought disordered schizotypal subjects showed significantly impaired performance on the contour integration task but more accurate performance on the visual size perception task. These results support the hypothesis that deficits in visual context processing are the manifestation of a larger disturbance of cognitive coordination in schizotypy and schizophrenia.
在一个大型非临床大学人群中，研究了视觉情境处理与精神分裂症样人格特质的关系。使用精神分裂症样人格问卷（SPQ）[《精神分裂症通报》17（1991）555]评估精神分裂症样状态。对精神分裂症样（n = 32）和非精神分裂症样（n = 37）受试者进行了轮廓整合任务（良好表现需要情境处理）和视觉大小感知任务（情境处理会损害准确表现）测试。此外，对28名精神分裂症样受试者进行了思维障碍指数（TDI）[《心理评估》5（1993）75]的简短形式测试。思维紊乱的精神分裂症样受试者在轮廓整合任务上表现出明显受损，但在视觉大小感知任务上表现更准确。这些结果支持了这样的假设，即视觉情境处理缺陷是精神分裂症样人格特质和精神分裂症中更大认知协调障碍的表现。
