ArticleSchizophrenia research2025
Examining the joint and unique contributions of contour integration and visuospatial memory to altered eye gaze perception in schizophrenia.
Article in Schizophrenia research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundEye gaze perception-a building block of social cognition-is altered in schizophrenia (SZ), manifesting as both reduced perceptual precision and stronger self-referential bias. Yet, the visual processing mechanisms influencing gaze precision and bias are unclear. This study examined the unique and joint contributions contour integration and visuospatial memory to altered eye gaze perception in SZ.
methodsA sample of 62 participants with SZ and 63 healthy controls completed a psychophysical gaze-perception task, which was used to measure perceptual precision and self-referential bias. Contour integration and visuospatial memory were measured using the Jittered Orientation Visual Integration (JOVI) task and the Brief Visuospatial Memory Test-Revised (BVMT-R), respectively. Hierarchical linear regressions were used to determine the unique contributions of these visual processes to perceptual precision and self-referential bias.
resultsContour integration, but not visuospatial memory, explained unique variance in perceptual precision during eye gaze perception across groups. Conversely, contour integration did not explain unique variance in self-referential bias of eye gaze perception; however, visuospatial memory was a significant predictor of self-referential bias even after accounting for the effect of contour integration.
conclusionsResults indicate that perceptual precision and self-referential bias of eye gaze perception may be differentially influenced by different visual processes in SZ as well as HC. These findings can inform the development of more precise interventions for social cognition in SZ.
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