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A Comparison of Affective Disorders and Normal Persons

M. Robin Eastwood, MD, FRCP(C), FRC(Psych); Joel L. Whitton, MD, PhD, FRCP(C); Patricia M. Kramer, MSc; Alice M. Peter

Arch Gen Psychiatry. 1985;42(3):295-299.

Abstract
• We matched patients with affective disorders by sex and age with a healthy control group. The two groups recorded daily measures of hours slept, energy, anxiety, and mood levels for 14 months. We analyzed the data using spectral analysis. We found that both groups had statistically significant infradian rhythms, with the majority having seasonal cycles, and that the patients with affective disorders differed from the control subjects in having a greater amplitude of their periodicities.

Author Affiliations
From the Clarke Institute of Psychiatry, Toronto.

Footnotes
Accepted Feb 27, 1984.

Reprint requests to Clarke Institute of Psychiatry, 250 College St, Toronto, Ontario, Canada M5T 2R8 (Dr Eastwood).

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