DISORDERS OF SMOOTH PURSUIT EYE-MOVEMENT AND AUDITORY N100 IN SCHIZOPHRENIC-PATIENTS

被引：22

作者：

STRIK, WK ^{[1
]}

DIERKS, T ^{[1
]}

BONING, J ^{[1
]}

OSTERHEIDER, M ^{[1
]}

CASPARI, A ^{[1
]}

KORBER, J ^{[1
]}

机构：

[1] UNIV WURZBURG,DEPT PSYCHIAT,W-8700 WURZBURG,GERMANY

来源：

PSYCHIATRY RESEARCH | 1992年 / 41卷 / 03期

关键词：

EYE TRACKING; EVOKED POTENTIAL; ATTENTION; INFORMATION PROCESSING; ELECTROOCULOGRAM;

D O I：

10.1016/0165-1781(92)90004-M

中图分类号：

R749 [精神病学];

学科分类号：

100205 ;

摘要：

Attentional factors are thought to affect eye-tracking patterns. The present study examined the hypothesis that specific quantitative features of eye tracking would be correlated with the amplitude of a component of the auditory evoked potential, the N100, which is known to be enhanced by arousal and selective attention. We studied 12 clinically stable schizophrenic patients by means of DC-electro-oculography. The frequency and amplitude of different types of saccades (catch up, backup, anticipatory saccades, and square wave jerks) were assessed. The results suggest that small and large saccades, as classified by a simple amplitude criterion (4-degrees), have differential meanings and indicate that enhanced amplitudes of small saccades are an effect of arousal.

引用

页码：227 / 235

页数：9

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