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"Storch KF" Authored Publications:

Title Authors PubMed ID
1 Inactograms and objective sleep measures as means to capture subjective sleep problems in patients with a bipolar disorder. Lavin-Gonzalez P, Bourguignon C, Crescenzi O, Beaulieu S, Storch KF, Linnaranta O 32232937
PSYCHOLOGY
2 Late and Instable Sleep Phasing is Associated With Irregular Eating Patterns in Eating Disorders. Linnaranta O, Bourguignon C, Crescenzi O, Sibthorpe D, Buyukkurt A, Steiger H, Storch KF 32211873
PSYCHOLOGY
3 The eIF2α Kinase GCN2 Modulates Period and Rhythmicity of the Circadian Clock by Translational Control of Atf4. Pathak SS, Liu D, Li T, de Zavalia N, Zhu L, Li J, Karthikeyan R, Alain T, Liu AC, Storch KF, Kaufman RJ, Jin VX, Amir S, Sonenberg N, Cao R 31522764
CSBN
4 Light-regulated translational control of circadian behavior by eIF4E phosphorylation. Cao R, Gkogkas CG, de Zavalia N, Blum ID, Yanagiya A, Tsukumo Y, Xu H, Lee C, Storch KF, Liu AC, Amir S, Sonenberg N 25915475
CSBN

 

Title:Inactograms and objective sleep measures as means to capture subjective sleep problems in patients with a bipolar disorder.
Authors:Lavin-Gonzalez P,  Bourguignon C,  Crescenzi O,  Beaulieu S,  Storch KF,  Linnaranta O
Link:https://www.ncbi.nlm.nih.gov/pubmed/32232937?dopt=Abstract
DOI:10.1111/bdi.12903
Publication:Bipolar disorders
Keywords:actigraphy;  bipolar disorders;  insomnia;  sleep;  sleep pattern;  sleep-wake rhythm; 
PMID:32232937 Category:Bipolar Disord Date Added:2020-04-02
Dept Affiliation: PSYCHOLOGY
1 Department of Psychiatry, McGill University, Montreal, Québec, Canada.
2 Douglas Group for Sleep and Biological Rhythms, Douglas Mental Health University Institute, Montreal, Québec, Canada.
3 Integrated Program in Neuroscience, McGill University, Montreal, Québec, Canada.
4 Department of Psychology, Concordia University, Montreal, Québec, Canada.

Description:

Inactograms and objective sleep measures as means to capture subjective sleep problems in patients with a bipolar disorder.

Bipolar Disord. 2020 Mar 30;:

Authors: Lavin-Gonzalez P, Bourguignon C, Crescenzi O, Beaulieu S, Storch KF, Linnaranta O

Abstract

BACKGROUND: Sleep problems are common in bipolar disorders (BDs). To objectively characterize these problems in BDs, further methodological development is needed to capture subjective insomnia.

AIM: To test psychometric properties of the Athens Insomnia Scale (AIS), and associations with actigraphy-derived measures, applying modifications in actigraphy data processing to capture features of perturbed sleep in patients with a BD.

METHODS: Seventy-four patients completed the AIS and the Quick Inventory of Depressive Symptomatology, self-report (QIDS-SR-16). Locomotor activity was continuously recorded by wrist-actigraphy for =10 consecutive days. We computed the sleep onset/offset, the center of daily inactivity (CenDI), as a proxy for chronotype, and the degree of consolidation of daily inactivity (ConDI), as a proxy for sleep-wake rhythm strength.

RESULTS: AIS showed good psychometric properties (Cronbach's alpha=0.84; test-retest correlation=0.84, p<.001). Subjective sleep problems correlated moderately with a later sleep phase (CenDI with AIS rho=0.34, p=.003), lower consolidation (ConDI with AIS rho=-0.22, p=.05; with QIDS-SR-16 rho=-0.27, p=.019), later timing of sleep offset (with AIS rho=0.49, p= =.001, with QIDS-SR-16 rho=0.36, p=.002), and longer total sleep (with AIS rho=0.29, p=.012, with QIDS-SR-16 rho=0.41, p==.001). While AIS was psychometrically more solid, correlations with objective sleep were more consistent across time for QIDS-SR-16.

CONCLUSIONS: AIS and QIDS-SR-16 are suitable for clinical screening of sleep problems among patients with a BD. Subjective insomnia associated with objective measures. For clinical and research purposes, actigraphy and data visualization on inactograms are useful for accurate longitudinal characterization of sleep patterns.

PMID: 32232937 [PubMed - as supplied by publisher]




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