Intact Perception of Coherent Motion, Dynamic Rigid Form, and Biological Motion in Chronic Schizophrenia

Visual perception is altered in schizophrenia. One-quarter of patients endorse full-fledged visual hallucinations (Waters  et al., 2014) and 60% report more subtle visual perceptual disturbances (Keane et al., 2018; Phillipson& Harris, 1985). Robust psychophysical deficits have been documented for visual processes ranging from low-level tasks such as contrast sensitivity (Slaghuis,  1998) and backward masking (Green et al., 2011) to middle-level tasks including contour integration and shape completion (Keane et al., 2014; Spencer et al., 2004), to high-level tasks such as affect recognition (Gaebel and Wölwer, 1992) and action recognition (Franck et al., 2001).

Source: Psychiatry Research - June 26, 2018 Category: Psychiatry Authors: Brian P. Keane, Yujia Peng, Docia Demmin, Steve M. Silverstein, Hongjing Lu Source Type: research