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Conjugated lateral eye movements and EEG: a study on schizophrenic and depressive patients

Published online by Cambridge University Press:  16 April 2020

F Schneider ,
H Heimann ,
M Bartels  and
N Birbaumer
F Schneider
Affiliation:
Department of Psychiatry Department of Psychiatry, University of Pennsylvania, 10 Gates, Philadelphia, PA19104, USA
H Heimann
Affiliation:
Department of Psychiatry
M Bartels
Affiliation:
Department of Psychiatry
N Birbaumer
Affiliation:
Department of Clinical and Physiological Psychology, University of Tübingen, Germany Dipartimento Psicologia Generate, Università Degli Studi, Padova, Italy
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Summary

Lateral gaze aversions which follow reflective or thought provoking questions are called conjugated lateral eye movements (CLEMs). This response was studied in 20 schizophrenic patients, 20 depressive patients and 20 healthy controls. Frontal and parietal EEG measures were recorded simultaneously with the question/answer task. There were no differences in CLEMs among the 3 groups. Schizophrenic and depressive patients demonstrated a significantly reduced EEG-power on the left and an increased power on the right in comparison with healthy controls. This may point to a functional interhemispheric ‘disconnection’ in patients. Comparative correlations revealed EEG-power increase during the occurrence of contralateral CLEMs in the whole 10 min task.

Keywords

conjugated lateral eye movementEEGschizophreniadepression
Type
Original article
Information
European Psychiatry , Volume 7 , Issue 2 , 1992 , pp. 71 - 76
Copyright
Copyright © Elsevier, Paris 1992

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