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Is the link between depressed mood and heart rate variability explained by disinhibited eating and diet?

Hayley Young, Alecia L. Cousins, Heather T. Watkins, David Benton

Biological Psychology, Volume: 123, Pages: 94 - 102

Swansea University Authors: Hayley Young, David Benton

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DOI (Published version): 10.1016/j.biopsycho.2016.12.001

Abstract

Consistently it has been reported that a depressed mood and low heart rate variability (HRV) are linked. However, studies have not considered that the association might be explained by dietary behaviour. The resting inter-beat interval data of 266 adults (Study 1: 156 (51 M), Study 2: 112 (38 M)) we...

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Published in: Biological Psychology
ISSN: 03010511
Published: 2017
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa31408
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Abstract: Consistently it has been reported that a depressed mood and low heart rate variability (HRV) are linked. However, studies have not considered that the association might be explained by dietary behaviour. The resting inter-beat interval data of 266 adults (Study 1: 156 (51 M), Study 2: 112 (38 M)) were recorded for six minutes and quantified using linear (HF power: 0.15–0.4 Hz) and nonlinear indices (Sample entropy). Participants also completed the Profile of Mood States and the Three Factor Eating questionnaires. The Alternative Healthy Eating Index was used to quantify diet quality. In study 1 mood was associated with HRV; an effect partially mediated by diet. Study 2 replicated the finding: disinhibited eating (the tendency to lose control over one’s eating) and diet sequentially mediated the association between mood and HRV. Diet plays a role in the link between mood and HRV and studies should consider the influence of this factor.
Keywords: Heart rate variability; Heart rate complexity; Disinhibited eating; Diet; Mood
College: Faculty of Medicine, Health and Life Sciences
Start Page: 94
End Page: 102

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