Schizophr Res. 1991 Sep;5(2):135-44.

Specificity of smooth pursuit eye movement and visual fixation abnormalities in schizophrenia. Comparison to mania and normal controls.

Amador XF, Sackeim HA, Mukherjee S, Halperin R, Neeley P, Maclin E, Schnur D.

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Department of Clinical Psychobiology, New York State Psychiatric Institute, NY 10032.

Abstract

Smooth pursuit eye movements (SPEM) were assessed in 30 schizophrenic patients, 12 lithium-free manic patients, and 20 normal controls. Compared to schizophrenic patients, manic patients evidenced less SPEM impairment in an attention enhancing, sinusoidal target motion condition and had superior performance during a visual fixation condition. SPEM and visual fixation dysfunctions may be more common in schizophrenic than in acutely manic patients, even when the latter are characterized by marked attentional dysfunction, poor interepisode psychosocial functioning, and psychosis.

PMID:: 1931806; [PubMed - indexed for MEDLINE]

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