ArticleEuropean archives of psychiatry and neurological sciences1989
Saccadic reaction times in acute and remitted schizophrenics.
Article in European archives of psychiatry and neurological sciences, 1989. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Eye movement deficits in schizophrenia: investigation of a genetically homogenous Icelandic sample.European archives of psychiatry and clinical neuroscience · 2008Trial
- Hypometric primary saccades of schizophrenics in a delayed-response task.Experimental brain research · 1996Trial
- The tell-tale tasks: a review of saccadic research in psychiatric patient populations.Brain and cognition · 2008Review
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Authors and funding
2 authors.
Funding
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Abstract
Schizophrenics are known to have various disturbances of the visuomotor system. Whereas smooth pursuit eye movement disorders have been repeatedly confirmed, there are relatively few reports regarding possible disturbances of the saccadic system. In this study, the saccadic reaction times of 47 schizophrenic inpatients were investigated upon admission and later in the remitted state; 28 age- and sex-matched normal volunteers were tested as controls. Psychopathology and outcome were evaluated according to the Brief Psychiatric Rating Scale and the Prognostic Scale. Light stimuli were presented at random direction, location (ranging from 0 degrees to 20 degrees) and duration (800, 1000, and 1200 ms). The eye movements were recorded by electro-oculography. Compared with the control group, schizophrenics revealed prolonged saccadic reaction times, which correlated with pronounced negative symptoms and an unfavourable course of the illness. The saccadic reaction times remained prolonged in schizophrenic patients. These findings suggest attentional deficits in schizophrenics.
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