Research Article| Volume 22, ISSUE 10, P1227-1237, October 1987

Visuomotor performance of schizophrenic patients and normal controls in a picture viewing task

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      The eye movements of 20 partially remitted schizophrenic outpatients (ICD-9) under neuroleptic maintenance medication and those of 20 normal controls were recorded using corneal reflection pupil-center measurement. The visuomotor performance during a 1-min picture viewing task was studied on the basis of several eye movement parameters. Clinical evaluation comprised self-ratings (Frankfort Complaint Questionnaire) and observer ratings (BPRS, CGI, GAS), as well as recording of current daily neuroleptic dosage (mg CPZ). The main results are that schizophrenics differ from normals in their correlational pattern of fixation- and movement-related parameters, reflecting two opposite viewing styles in schizophrenics: staring and extensive scanning. Both styles are differently related to clinical symptomatology. There was no strongly marked relationship with neuroleptic dosage.
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