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Vol. 48, No. 4, 2003
Issue release date: December 2003
Section title: Biological Psychiatry. Editor: J. Mendlewicz (Brussels). Original Paper
Neuropsychobiology 2003;48:176–181
(DOI:10.1159/000074634)

Relationship between Power Spectra of the Awake EEG and Psychomotor Activity Patterns Measured by Short-Term Actigraphy

Winkler D.a · Pjrek E.a · Pezawas L.b · Presslich O.a · Tauscher J.a · Kasper S.a
aDepartment of General Psychiatry, University Hospital for Psychiatry, Vienna, Austria; bClinical Brain Disorders Branch, National Institute of Mental Health, Bethesda, Md., USA

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Article / Publication Details

First-Page Preview
Abstract of Biological Psychiatry. Editor: J. Mendlewicz (Brussels). Original Paper

Published online: 12/19/2003
Issue release date: December 2003

Number of Print Pages: 6
Number of Figures: 0
Number of Tables: 1

ISSN: 0302-282X (Print)
eISSN: 1423-0224 (Online)

For additional information: http://www.karger.com/NPS

Abstract

Actigraphy is a quantitative method for the measurement of motor activity. In the present study, actigraphy was used to examine psychomotor correlates of brain activity. Thirty-four psychiatric patients (17 males and 17 females) with different diagnoses participated in this investigation. Directly after EEG recording, motor activity was measured with a wrist actimeter for 15 min in patients in the sitting position. The EEG was quantified by spectrum analysis, and the power spectra as well as other EEG-derived variables were correlated with actigraphic parameters. Occipital and temporoparietal β1 power was statistically significantly higher in patients with higher activity scores and lower in those with a high density of sleep (SB) or wake bouts (WB). A high density of SB or WB was also positively correlated with higher mean α power. Immobile phases measured by actigraphy were positively associated with occipital α and with frontal/frontopolar δ activity, preferentially on the side of the left hemisphere. Our results, while preliminary, suggest that short-term actigraphy may be apt to reflect central nervous system arousal.

© 2003 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Biological Psychiatry. Editor: J. Mendlewicz (Brussels). Original Paper

Published online: 12/19/2003
Issue release date: December 2003

Number of Print Pages: 6
Number of Figures: 0
Number of Tables: 1

ISSN: 0302-282X (Print)
eISSN: 1423-0224 (Online)

For additional information: http://www.karger.com/NPS


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