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  • Title: Sleep electroencephalographic patterns and cranial computed tomography in anxiety disorders.
    Author: Lauer CJ, Krieg JC.
    Journal: Compr Psychiatry; 1992; 33(3):213-9. PubMed ID: 1591915.
    Abstract:
    Sleep electroencephalogram (EEG) and cranial computed tomography (CT) were performed in 15 drug-free inpatients with an anxiety disorder. The sleep EEG of the patients was characterized by a decreased sleep efficiency and a shortened REM latency. Under visual inspection, four (27%) patients showed ventricular enlargement, while an increased ventricular brain ratio (VBR) was measured in five (33%). No clear associations between EEG sleep measures and ventricular size became obvious, although there is good evidence in the literature that sleep continuity, slow-wave sleep, or REM sleep are closely related to ventricular and/or sulcal widening in various neuropsychiatric disorders.
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