An association between eating disorder behaviors and autonomic dysfunction in a nonclinical population. A pilot study

This pilot study examines the relationship between eating disorder behaviors and autonomic dysfunction in a nonclinical sample ( n = 27). Baseline indices of eating disorder behaviors were evaluated via the Eating Disorder Examination-Questionnaire. Supine resting heart rate variability was assessed...

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Bibliographic Details
Published in:Appetite 2009-08, Vol.53 (1), p.139-142
Main Authors: Green, Melinda A., Hallengren, Jada J., Davids, Christopher M., Riopel, Cori M., Skaggs, Anna K.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Autonomic dysfunction
autonomic nervous system
Autonomic Nervous System Diseases - complications
Autonomic Nervous System Diseases - physiopathology
Biological and medical sciences
Body Mass Index
central nervous system diseases
Eating disorders
Electrocardiography
Exercise - physiology
Feeding and Eating Disorders - complications
Feeding and Eating Disorders - physiopathology
Feeding. Feeding behavior
Female
Fundamental and applied biological sciences. Psychology
Humans
Male
Medical sciences
Metabolic diseases
Pilot Projects
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Sex Characteristics
signs and symptoms (animals and humans)
Vagal hyperactivity
vagus nerve
Vagus Nerve - physiopathology
Vertebrates: anatomy and physiology, studies on body, several organs or systems
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Summary:This pilot study examines the relationship between eating disorder behaviors and autonomic dysfunction in a nonclinical sample ( n = 27). Baseline indices of eating disorder behaviors were evaluated via the Eating Disorder Examination-Questionnaire. Supine resting heart rate variability was assessed via electrocardiogram for a 5-min recording period. A spectral analysis was performed. High frequency power density (s 2/Hz) increased as a function of heightened disordered eating behaviors. Autonomic dysfunction, as indicated by increased high frequency power density due to hypervagal activity, is associated with eating disorder behaviors. Results suggest autonomic dysfunction may exist in nonclinical eating disorder populations. Future research needs to further examine this possibility.
ISSN:0195-6663
1095-8304
DOI:10.1016/j.appet.2009.05.005