PERFORM Publications

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Title		Authors	PubMed ID
1	Examining Dimensionality and Item-Quality of the Eating Disorder Examination Questionnaire in Individuals With Eating Disorders Using Item Response Theory Analysis	Dufour R; Steiger H; Booij L;	39548958 PSYCHOLOGY
2	DNA methylation in people with Anorexia Nervosa: Epigenome-wide patterns in actively ill, long-term remitted, and healthy-eater women	Steiger H; Booij L; Thaler L; St-Hilaire A; Israël M; Casey KF; Oliverio S; Crescenzi O; Lee V; Turecki G; Joober R; Szyf M; Breton É;	35703085 PSYCHOLOGY
3	Predictors of non-completion of a day treatment program for adults with eating disorders	Thaler L; Booij L; Burnham N; Kenny S; Oliverio S; Israel M; Steiger H;	34971014 PSYCHOLOGY
4	In-person versus virtual therapy in outpatient eating-disorder treatment: A COVID-19 inspired study	Steiger H; Booij L; Crescenzi O; Oliverio S; Singer I; Thaler L; St-Hilaire A; Israel M;	34904742 PSYCHOLOGY
5	Pretreatment motivation and therapy outcomes in eating disorders: A systematic review and meta-analysis.	Sansfaçon J, Booij L, Gauvin L, Fletcher É, Islam F, Israël M, Steiger H	32954512 PSYCHOLOGY
6	Applying epigenetic science to the understanding of eating disorders: a promising paradigm for research and practice.	Booij L, Steiger H	32576735 PSYCHOLOGY
7	Plasma levels of one-carbon metabolism nutrients in women with anorexia nervosa	Burdo J; Booij L; Kahan E; Thaler L; Israël M; Agellon LB; Nitschmann E; Wykes L; Steiger H;	32427359 PSYCHOLOGY
8	Eating Disorders, Heredity and Environmental Activation: Getting Epigenetic Concepts into Practice.	Steiger H, Booij L	32375223 PSYCHOLOGY
9	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
10	Methylation of the OXTR gene in women with anorexia nervosa: Relationship to social behavior.	Thaler L, Brassard S, Booij L, Kahan E, McGregor K, Labbe A, Israel M, Steiger H	31823473 PSYCHOLOGY
11	A longitudinal, epigenome-wide study of DNA methylation in anorexia nervosa: results in actively ill, partially weight-restored, long-term remitted and non-eating-disordered women	Steiger H, Booij L, Kahan `, McGregor K, Thaler L, Fletcher E, Labbe A, Joober R, Israël M, Szyf M, Agellon LB, Gauvin L, St-Hilaire A, Rossi E	30693739 PSYCHOLOGY

Title:	Late and Instable Sleep Phasing is Associated With Irregular Eating Patterns in Eating Disorders.
Authors:	Linnaranta O, Bourguignon C, Crescenzi O, Sibthorpe D, Buyukkurt A, Steiger H, Storch KF
Link:	https://www.ncbi.nlm.nih.gov/pubmed/32211873?dopt=Abstract
DOI:	10.1093/abm/kaaa012
Publication:	Annals of behavioral medicine : a publication of the Society of Behavioral Medicine
Keywords:	Actigraphy; Circadian rhythm; Eating disorder; Eating pattern; Rest:activity rhythm;
PMID:	32211873	Category:	Ann Behav Med	Date Added:	2020-03-27
Dept Affiliation:	PSYCHOLOGY 1 Department of Psychiatry, Douglas Mental Health University Institute, Montreal, QC, Canada. 2 Department of Psychiatry, McGill University, Montreal, QC, Canada. 3 Integrated Program in Neuroscience, McGill University, Montreal, QC, Canada. 4 Department of Psychology, Concordia University, Montreal, QC, Canada. 5 Faculty of Medicine, McGill University, Montreal, QC, Canada. 6 Eating Disorders Continuum, Douglas University Institute, Montreal, QC, Canada.

Description:

Late and Instable Sleep Phasing is Associated With Irregular Eating Patterns in Eating Disorders.

Ann Behav Med. 2020 Mar 25;:

Authors: Linnaranta O, Bourguignon C, Crescenzi O, Sibthorpe D, Buyukkurt A, Steiger H, Storch KF

Abstract

BACKGROUND: Sleep problems are common in eating disorders (EDs).

PURPOSE: We evaluated whether sleep-phasing regularity associates with the regularity of daily eating events.

METHODS: ED patients (n = 29) completed hourly charts of mood and eating occasions for 2 weeks. Locomotor activity was recorded continuously by wrist actigraphy for a minimum of 10 days, and sleep was calculated based on periods of inactivity. We computed the center of daily inactivity (CenDI) as a measure of sleep phasing and consolidation of the daily inactivity (ConDI) as a measure of daily sleep rhythm strength. We assessed interday irregularities in the temporal structure of food intake using the standard deviation (SD) of frequency (IFRQ), timing (ITIM), and interval (IINT) of food intake. A self-evaluation of other characteristics included mood, anxiety, and early trauma.

RESULTS: A later phasing of sleep associated with a lower frequency of eating (eating frequency with the CenDI rho = -0.49, p = .007). The phasing and rhythmic strength of sleep correlated with the degree of eating irregularity (CenDI with ITIM rho = 0.48, p = .008 and with IINT rho = 0.56, p = .002; SD of CenDI with ITIM rho = 0.47, p = .010, and SD of ConDI with IINT rho = 0.37, p = .048). Childhood Trauma Questionnaire showed associations with variation of sleep onset (rho = -0.51, p = .005) and with IFRQ (rho = 0.43, p = .023).

CONCLUSIONS: Late and variable phasing of sleep associated robustly with irregular pattern of eating. Larger data sets are warranted to enable the analysis of diagnostic subgroups, current medication, and current symptomatology and to confirm the likely bidirectional association between eating pattern stability and the timing of sleep.

PMID: 32211873 [PubMed - as supplied by publisher]

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