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EEG coherence, lateral preference and schizophrenia

Published online by Cambridge University Press:  09 July 2009

J. C. Shaw*
Affiliation:
MRC Clinical Psychiatry Unit, Graylingwell Hospital, Chichester, West Sussex
N. Colter
Affiliation:
MRC Clinical Psychiatry Unit, Graylingwell Hospital, Chichester, West Sussex
G. Resek
Affiliation:
MRC Clinical Psychiatry Unit, Graylingwell Hospital, Chichester, West Sussex
*
1Dr J. C. Shaw, West Sussex Institute of Higher Education, Bishop Otter College, College Lane, Chichester, West Sussex PO19 4PE.

Synopsis

The EEG synchrony between hemispheres during cognitive activity differs from that during rest. With common reference recording and a visual imagery task it increases in healthy right-handers and neurotic patients, and it decreases in healthy left-handers and schizophrenic patients. It is suggested that this implies a less lateralized brain organization in schizophrenia which may account for the often reported association with left-handedness. When associated with impaired corpus callosum transmission, it may contribute to the disturbed behaviour and thought processes in this condition.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1983

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