Twenty-four schizophrenia and 26 normal subjects were presented targets for fixation at ±17.5° and 0° of visual angle. The manner in which stimuli were presented allowed us to evaluate for the presence of gaze-evoked and rebound drifts, and for frequency of saccades at both eccentric and central fixation. Schizophrenia patients and normal subjects had remarkably similar performance regardless of stimulus condition. These results suggest that the gaze-holding apparatus is functioning normally among schizophrenia patients, a finding that is not easily attributable to either medication effects and/or low statistical power. These data are another indication that schizophrenia patients have specific, not general, abnormalities of ocular motor control.
Brett A. Clementz, PhD
Department of Psychology
University of California
San Diego, La Jolla, CA 92093-0109 (USA)
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Number of Print Pages : 6
Number of Figures : 3, Number of Tables : 1, Number of References : 28
Neuropsychobiology (International Journal of Experimental and Clinical Research in Biological Psychiatry, Pharmacopsychiatry, Biological Psychology/Pharmacopsychology and Pharmacoelectroencephalography)
Founded 1975 by J. Mendlewicz (Brussels)
Official Journal of the International Pharmaco-EEG Society (IPEG)
Vol. 38, No. 2, Year 1998 (Cover Date: Released September 1998)
Journal Editor: J. Mendlewicz, Brussels
ISSN: 0302–282X (print), 1423–0224 (Online)
For additional information: http://www.karger.com/journals/nps
Article / Publication Details
Published online: 9/8/1998
Issue release date: September 1998
Number of Print Pages: 6
Number of Figures: 3
Number of Tables: 1
ISSN: 0302-282X (Print)
eISSN: 1423-0224 (Online)
For additional information: http://www.karger.com/NPS
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