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Appears in Collections:Psychology Journal Articles
Peer Review Status: Refereed
Title: Evidence for impaired visual context processing in schizotypy with thought disorder
Author(s): Uhlhaas, Peter J
Silverstein, Steven M
Phillips, William
Lovell, Paul G
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Keywords: visual context
thought disorder
cognitive coordination
perceptual organization
Issue Date: 1-Jun-2004
Date Deposited: 12-Nov-2013
Citation: Uhlhaas PJ, Silverstein SM, Phillips W & Lovell PG (2004) Evidence for impaired visual context processing in schizotypy with thought disorder. Schizophrenia Research, 68 (2-3), pp. 249-260.
Abstract: 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.
DOI Link: 10.1016/S0920-9964(03)00184-1
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