Journal article

Saccadic and attentional abnormalities in patients with schizophrenia

P Maruff, J Danckert, C Pantelis, J Currie

PSYCHOLOGICAL MEDICINE | CAMBRIDGE UNIV PRESS | Published : 1998

Abstract

BACKGROUND: Abnormal performance on the antisaccade task suggests that patients with schizophrenia have difficulty with the inhibition of reflexive attentional shifts. The aim of the study was to investigate whether deficits in the inhibition of reflexive attentional shifts were specific to the oculomotor modality or whether they could also occur when attentional shifts were made without eye movements (e.g. covert attentional shifts). METHODS: Fifteen medicated patients with chronic schizophrenia and 15 matched controls performed the antisaccade task and the covert orientating task (COVAT) where the probability of targets appearing at the same location of a peripheral cue was varied so that ..

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