Circadian rest/activity rhythms as predictors of mood in a small sample of outpatients with bipolar disorder

Conference paper

Bullock, Ben, Murray, Greg, Van Someren, Eus J. W. and Judd, Fiona. (2008). Circadian rest/activity rhythms as predictors of mood in a small sample of outpatients with bipolar disorder. In Voudouris, Nicholas and Mrowinski, Vicky (Ed.). 43rd Annual Australian Psychological Society (APS) Conference. Hotel Grand Chancellor, Hobart, Tasmania, Australia 23 - 27 Sep 2008 Melbourne, Victoria: Australian Psychological Society. pp. 61-65
AuthorsBullock, Ben, Murray, Greg, Van Someren, Eus J. W. and Judd, Fiona
TypeConference paper
Abstract

Circadian rhythm disturbance is believed to play a role in the pathogenesis of bipolar disorder. The aim of the current pilot study was to investigate the clinically significant hypothesis that the circadian activity rhythm may be associated with daily mood in bipolar disorder. It was hypothesized that decreased amplitude of the circadian activity rhythm would be associated with lowered daily mood. Six outpatients diagnosed with bipolar disorder were followed prospectively for between 63 and 177 consecutive days. The 24-hour rest/activity rhythm was measured continuously using actigraphy and participants rated their mood daily via a validated software interface (ChronoRecord). Concomitant time series analysis between input (amplitude of the rest/activity rhythm) and output (mood) series’ using the Box-Jenkins ARIMA methodology found predicted positive associations between the two series’ in each case, although the association reached significance in only one time series. The clinical significance of this trend is discussed.

Year2008
PublisherAustralian Psychological Society
Publisher's version
License
All rights reserved
File Access Level
Controlled
Book titleProceedings of 43rd APS annual conference 23 - 27 September 2008, Hobart, Tasmania : Psychology leading change
Page range61-65
ISBN9780909881368
Output statusPublished
Publication dates
Print2008
Place of publicationMelbourne, Victoria
EditorsVoudouris, Nicholas and Mrowinski, Vicky
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https://acuresearchbank.acu.edu.au/item/87y63/circadian-rest-activity-rhythms-as-predictors-of-mood-in-a-small-sample-of-outpatients-with-bipolar-disorder

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