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Measuring circadian function in bipolar disorders: Empirical and conceptual review of physiological, actigraphic, and self-report approaches

Murray, Greg, Gottlieb, John, Paz Hidalgo, Maria, Etain, Bruno, Ritter, Philipp, Skene, Debra, Garbazza, Corrado, Bullock, Ben, Merikangas, Kathleen, Zipunnikov, Vadim , Shou, Haochang, Gonzalez, Robert, Scott, Jan, Geoffroy, Pierre A. and Frey, Benicio N. (2020) Measuring circadian function in bipolar disorders: Empirical and conceptual review of physiological, actigraphic, and self-report approaches Bipolar Disorders.

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Background: Interest in biological clock pathways in bipolar disorders (BD) continues to grow, but there has yet to be an audit of circadian measurement tools for use in BD research and practice. Procedure: The International Society for Bipolar Disorders Chronobiology Task Force conducted a critical integrative review of circadian methods that have real-world applicability. Consensus discussion led to the selection of three domains to review – melatonin assessment, actigraphy and self-report. Results: Measurement approaches used to quantify circadian function in BD are described in sufficient detail for researchers and clinicians to make pragmatic decisions about their use. A novel integration of the measurement literature is offered in the form of a provisional taxonomy distinguishing between circadian measures (the instruments and methods used to quantify circadian function, such as dim light melatonin onset) and circadian constructs (the biobehavioural processes to be measured, such as circadian phase). Conclusions: Circadian variables are an important target of measurement in clinical practice and biomarker research. To improve reproducibility and clinical application of circadian constructs, an informed systematic approach to measurement is required. We trust that this review will decrease ambiguity in the literature and support theory-based consideration of measurement options.

Item Type: Article
Divisions : Faculty of Health and Medical Sciences > School of Biosciences and Medicine
Authors :
Murray, Greg
Gottlieb, John
Paz Hidalgo, Maria
Etain, Bruno
Ritter, Philipp
Garbazza, Corrado
Bullock, Ben
Merikangas, Kathleen
Zipunnikov, Vadim
Shou, Haochang
Gonzalez, Robert
Scott, Jan
Geoffroy, Pierre A.
Frey, Benicio N.
Date : 21 June 2020
DOI : 10.1111/bdi.12963
Additional Information : Embargo OK Metadata Pending. Article is post-print online version, but not final version.
Depositing User : James Marshall
Date Deposited : 24 Jun 2020 14:31
Last Modified : 24 Jun 2020 14:31

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