Dynamics of evoked potentials in the course of progressive schizophrenia

Steady-state visual evoked potentials (steady-state VEPs) from pattern-reversal stimulations were compared in treated schizophrenic patients and normal subjects matched for sex and age. The VEP amplitudes were more variable in the patients than in the controls. Furthermore, the VEP amplitudes of the patients mostly showed little or no change when the check size was varied, in contrast to the controls who showed a marked check size effect. These results suggest that schizophrenics receiving drugs have dysfunction of the visual system, especially an inability to respond adequately to changes of visual information.

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Visual dysfunction in treated schizophrenia suggested by visual evoked potentials from pattern-reversal stimulation

Jibiki

Takizawa

Yamaguchi

1991

Eur Arch Psychiatry Clin Nuerosci

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Dynamics of evoked potentials in the course of progressive schizophrenia

Cited by 1 publication

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Visual dysfunction in treated schizophrenia suggested by visual evoked potentials from pattern-reversal stimulation

Visual dysfunction in treated schizophrenia suggested by visual evoked potentials from pattern-reversal stimulation

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