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Craig A. Kuechenmeister, MS; Patrick H. Linton, MD; Thelma V. Mueller, PhD; Hilton B. White

Arch Gen Psychiatry. 1977;34(5):578-579.

Abstract
• Impaired eye-tracking performance in psychotic patients has been previously demonstrated. Nine groups of ten patients each were used to determine if, when equated for age and sex, some of the eye-tracking dysfunction observed by others could be alternately explained in terms of aging, sex, or the presence of Parkinson-like symptoms. Horizontal eye tracking was recorded while patients visually tracked a target moving at 5%0/sec and 20%0sec. Both sinusoidal and triangular target movements were used. Results indicated that Parkinson patients were the poorest eye trackers and that young normal men were the best. Additionally, men were better eye trackers than women and normal controls were better eye trackers than were schizophrenic patients or their parents.

Author Affiliations
From the Department of Psychiatry and the Neurosciences Program, University of Alabama, Birmingham.

Footnotes
Accepted for publication Aug 20, 1976.

Reprint requests to University of Alabama, University Station, Birmingham, AL 35294 (Mr Kuechenmeister).

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