Reduced heart rate variability in social anxiety disorder: associations with gender and symptom severity.

<h4>Background</h4>Polyvagal theory emphasizes that autonomic nervous system functioning plays a key role in social behavior and emotion. The theory predicts that psychiatric disorders of social dysfunction are associated with reduced heart rate variability, an index of autonomic control...

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Autores principales:	Gail A Alvares, Daniel S Quintana, Andrew H Kemp, Anita Van Zwieten, Bernard W Balleine, Ian B Hickie, Adam J Guastella
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e46689b80de74618808e81c4043d7250
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spelling	oai:doaj.org-article:e46689b80de74618808e81c4043d72502021-11-18T09:01:57ZReduced heart rate variability in social anxiety disorder: associations with gender and symptom severity.1932-620310.1371/journal.pone.0070468https://doaj.org/article/e46689b80de74618808e81c4043d72502013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23936207/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>Polyvagal theory emphasizes that autonomic nervous system functioning plays a key role in social behavior and emotion. The theory predicts that psychiatric disorders of social dysfunction are associated with reduced heart rate variability, an index of autonomic control, as well as social inhibition and avoidance. The purpose of this study was to examine whether heart rate variability was reduced in treatment-seeking patients diagnosed with social anxiety disorder, a disorder characterized by social fear and avoidance.<h4>Methods</h4>Social anxiety patients (n = 53) were recruited prior to receiving psychological therapy. Healthy volunteers were recruited through the University of Sydney and the general community and were matched by gender and age (n = 53). Heart rate variability was assessed during a five-minute recording at rest, with participants completing a range of self-report clinical symptom measures.<h4>Results</h4>Compared to controls, participants with social anxiety exhibited significant reductions across a number of heart rate variability measures. Reductions in heart rate variability were observed in females with social anxiety, compared to female controls, and in patients taking psychotropic medication compared to non-medicated patients. Finally, within the clinical group, we observed significant associations between reduced heart rate variability and increased social interaction anxiety, psychological distress, and harmful alcohol use.<h4>Conclusions</h4>The results of this study confirm that social anxiety disorder is associated with reduced heart rate variability. Resting state heart rate variability may therefore be considered a marker for social approach-related motivation and capacity for social engagement. Additionally, heart rate variability may provide a useful biomarker to explain underlying difficulties with social approach, impaired stress regulation, and behavioral inhibition, especially in disorders associated with significant impairments in these domains.Gail A AlvaresDaniel S QuintanaAndrew H KempAnita Van ZwietenBernard W BalleineIan B HickieAdam J GuastellaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 7, p e70468 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Gail A Alvares Daniel S Quintana Andrew H Kemp Anita Van Zwieten Bernard W Balleine Ian B Hickie Adam J Guastella Reduced heart rate variability in social anxiety disorder: associations with gender and symptom severity.
description	<h4>Background</h4>Polyvagal theory emphasizes that autonomic nervous system functioning plays a key role in social behavior and emotion. The theory predicts that psychiatric disorders of social dysfunction are associated with reduced heart rate variability, an index of autonomic control, as well as social inhibition and avoidance. The purpose of this study was to examine whether heart rate variability was reduced in treatment-seeking patients diagnosed with social anxiety disorder, a disorder characterized by social fear and avoidance.<h4>Methods</h4>Social anxiety patients (n = 53) were recruited prior to receiving psychological therapy. Healthy volunteers were recruited through the University of Sydney and the general community and were matched by gender and age (n = 53). Heart rate variability was assessed during a five-minute recording at rest, with participants completing a range of self-report clinical symptom measures.<h4>Results</h4>Compared to controls, participants with social anxiety exhibited significant reductions across a number of heart rate variability measures. Reductions in heart rate variability were observed in females with social anxiety, compared to female controls, and in patients taking psychotropic medication compared to non-medicated patients. Finally, within the clinical group, we observed significant associations between reduced heart rate variability and increased social interaction anxiety, psychological distress, and harmful alcohol use.<h4>Conclusions</h4>The results of this study confirm that social anxiety disorder is associated with reduced heart rate variability. Resting state heart rate variability may therefore be considered a marker for social approach-related motivation and capacity for social engagement. Additionally, heart rate variability may provide a useful biomarker to explain underlying difficulties with social approach, impaired stress regulation, and behavioral inhibition, especially in disorders associated with significant impairments in these domains.
format	article
author	Gail A Alvares Daniel S Quintana Andrew H Kemp Anita Van Zwieten Bernard W Balleine Ian B Hickie Adam J Guastella
author_facet	Gail A Alvares Daniel S Quintana Andrew H Kemp Anita Van Zwieten Bernard W Balleine Ian B Hickie Adam J Guastella
author_sort	Gail A Alvares
title	Reduced heart rate variability in social anxiety disorder: associations with gender and symptom severity.
title_short	Reduced heart rate variability in social anxiety disorder: associations with gender and symptom severity.
title_full	Reduced heart rate variability in social anxiety disorder: associations with gender and symptom severity.
title_fullStr	Reduced heart rate variability in social anxiety disorder: associations with gender and symptom severity.
title_full_unstemmed	Reduced heart rate variability in social anxiety disorder: associations with gender and symptom severity.
title_sort	reduced heart rate variability in social anxiety disorder: associations with gender and symptom severity.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/e46689b80de74618808e81c4043d7250
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Reduced heart rate variability in social anxiety disorder: associations with gender and symptom severity.

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