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Research report| Volume 33, ISSUE 4, P284-290, February 15, 1993

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Spectral and topographic analysis of EEG in schizophrenic patients

Open AccessDOI:https://doi.org/10.1016/0006-3223(93)90296-P
Spectral and topographic analysis of EEG in schizophrenic patients
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      Abstract

      The authors performed spectral analysis of electroencephalograms (EEG), recorded awake, with eyes closed, in 13 patients with schizophrenia and 9 age-matched individuals without psychiatric diagnosis. We tested several possible parameterizations of the data, and two data-reduction strategies; these yielded similar results. Comparison of the two groups revealed a relative increase in alpha frequency activity in the frontal regions in the patient group. The authors believe that this finding is consistent with data from neuropsychologic tests, metabolic imaging studies, and evoked potential studies that suggest impaired activation of frontal brain areas in patients with schizophrenia.

      Keywords

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      Article info

      Publication history

      Received in revised form: September 3, 1992
      Received: December 8, 1991

      Footnotes

      ☆The work presented here was conducted at the Durham, NC, Department of Veterans Affairs Medical Center. The contents should not be taken to represent V.A. opinions or policy.

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      DOI: https://doi.org/10.1016/0006-3223(93)90296-P

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      © 1993 Published by Elsevier Inc.

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