PMID: 9005343May 1, 1996Paper

Electroencephalography in psychiatry--current status and outlook

Der Nervenarzt
W M Herrmann, G Winterer

Abstract

The "Psychophysiology Working Group" of AMDP (Arbeitskreis für Methodik und Dokumentation in der Psychiatrie) intends to establish a broad database of EEG data in psychiatry. The purpose is to determine whether the EEG can contribute to the diagnostic classification of psychiatric disorders, the description of the course of the illness and prediction of the therapeutic outcome. Since several studies have shown promising results in recent years, members of the working group have investigated literature and written reviews that are summarized in this contribution. This includes a critical evaluation of the studies cited. We restrict ourselves to schizophrenia, affective disorder and anxiety disorder. Out of more than 3000 available contributions in the world literature, 500 have been evaluated by the group, and around 90 are taken for this summary. The critical review is the basis for future research of the working group and gives the following working hypothese. Under resting EEG conditions anxiety does not show typical deviations from normality. However, EEG recordings under experimentally induced anxiety do show typical changes: in normal persons there is usually an increase in desynchronous fast beta activity (hyperarousal ac...Continue Reading

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