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Motor Activity and Affective IllnessThe Relationship of Amplitude and Temporal Distribution to Changes in Affective State
Edward A. Wolff III;
Frank W. Putnam, MD;
Robert M. Post, MD
Arch Gen Psychiatry. 1985;42(3):288-294.
Abstract
• We measured motor activity with a self-contained monitoring device worn on the wrists of affectively ill patients and volunteer normal control subjects. Decreases in the daytime motor activity level were observed in depressed patients, compared with their improved (euthymic) or manic mood states. Moreover, affectively ill patients, even during euthymic periods, showed lower daytime motor activity levels than the control group housed in the same ward. These data provide objective evidence for decreases in motor activity that occur concomitantly with the depressive phase of illness in patients with affective disorder, and fluctuate in patients in euthymic or manic phases.
Author Affiliations
From the Biological Psychiatry Branch (Mr Wolff and Dr Post) and Neuropsychiatry Branch (Dr Putnam), National Institute of Mental Health, Bethesda, Md, and St Elizabeths Hospital, Washington, DC (Dr Putnam).
Footnotes
Accepted for publication Feb 15, 1984.
Reprint requests to Room 536, WAW Building, Neuropsychiatry Branch, NIMH, St Elizabeths Hospital, Washington, DC 20032 (Dr Putnam).
*References 3, 8, 9, 13, 20-22, 24, 27, 33.
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