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EEG coherence in unmedicated schizophrenic patients: topographical study of predominantly never medicated cases.

Authors
  • Nagase, Y
  • Okubo, Y
  • Matsuura, M
  • Kojima, T
  • Toru, M
Type
Published Article
Journal
Biological Psychiatry
Publisher
Elsevier
Publication Date
Dec 01, 1992
Volume
32
Issue
11
Pages
1028–1034
Identifiers
PMID: 1467383
Source
Medline
License
Unknown

Abstract

Electroencephalographic (EEG) power and coherence were compared in 11 unmedicated schizophrenics (including 9 never mediated patients) and in 15 normal controls. There was no significant difference in power between the two groups. However, interhemispheric coherence between O1-O2 was higher in the schizophrenics in the delta and beta bands, and interhemispheric coherence between T5-T6 was higher in the delta band. These results suggest that coherence is more sensitive than power for comparison of these two groups, and that cerebral function is less lateralized in schizophrenics.

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