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A longitudinal analysis of eye tracking dysfunction and attention in recent-onset schizophrenia

Published online by Cambridge University Press:  01 July 1998

Cindy M. Yee ,
Keith H. Nuechterlein  and
Michael E. Dawson
Cindy M. Yee
Affiliation:
University of California, Los Angeles, USA
Keith H. Nuechterlein
Affiliation:
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, USA
Michael E. Dawson
Affiliation:
University of California, Los Angeles, USA
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Abstract

The effect of an attentional manipulation on eye tracking dysfunction (ETD) in the early stages of schizophrenia was examined in 34 recent-onset schizophrenic patients and 24 demographically matched normal subjects over a 1-year period. An attentional enhancement manipulation improved eye tracking performance of recent-onset schizophrenic patients more than that of normal subjects. Eye tracking level also was moderately stable for both groups over the course of 1 year. The possible role of attentional allocation in ETD highlights the need for further examination of the interface between attentional and eye tracking measures of vulnerability to schizophrenia.

Keywords

Smooth pursuit eye trackingSchizophreniaAttentionTemporal stabilityRecent-onset schizophreniaEye tracking dysfunction
Type
Research Article
Information
Psychophysiology , Volume 35 , Issue 4 , July 1998 , pp. 443 - 451
Copyright
© 1998 Society for Psychophysiological Research

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Footnotes

Address reprint requests to: Cindy M. Yee-Bradbury, Department of Psychology, University of California, 405 Hilgard Avenue, Los Angeles, CA 90095-1563, USA. E-mail: yee@psych.ucla.edu.