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Published on: December 7, 2018
Attention and visual orienting in siblings, schizophrenic patients, and controls: impairment in attentional
Marion Chirio1, Marie-Odile Krebs, Rogeria Waismann
1INSERM U894; Laboratory of Pathophysiology of Psychiatric Diseases, University Paris Descartes, Saint Anne Hospital, Paris 75014, France.
Abstract:
Visual orienting tasks reveal an impaired disengagement of attention in schizophrenia. We explored visual orientation in 20 schizophrenia patients (SZ), 20 full siblings (FS), and 20 controls (C) using a cued target detection (gap vs. no gap) and a choice reaction time task. SZ but not FS had longer reaction time with comparable reactions to warning. In contrast to C, SZ and FS did not display a significant gap effect. The disengagement deficit in schizophrenia patients and their siblings provides arguments for altered early attention mechanisms (in schizophrenic patients and their nonpsychotic relatives).
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