| Complex demodulation of cardiac interbeat intervals: increased cardiac sympathovagal interaction during human sexual activity. | |
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MedLine Citation:
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PMID: 14739691 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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In this study, we analyzed heart rate variability during sexual activity using complex demodulation, which is a useful technique to study continuous changes in different frequency bands over short periods of time. Complex demodulation has the advantage of having higher time resolution compared to spectral analysis. We quantified the low frequency (LF: 0.04-0.15 Hz) and high frequency (HF: 0.15-0.5 Hz) amplitudes, and the LF/HF ratio before, during, and after the occurrence of orgasm. LF power is dually mediated by cardiac sympathetic and parasympathetic systems while HF power is mainly influenced by cardiac vagal function. We found a significant increase of cardiac sympathovagal interaction (LF/HF ratios) during the phase of orgasm. These findings are discussed in light of normal sexual physiology and the effect of sex on cardiac autonomic function in patients with heart disease, such as myocardial infarction. |
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Authors:
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Vikram K Yeragani; Robert Pohl; Richard Balon |
Publication Detail:
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Type: Clinical Trial; Journal Article |
Journal Detail:
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Title: Archives of sexual behavior Volume: 33 ISSN: 0004-0002 ISO Abbreviation: Arch Sex Behav Publication Date: 2004 Feb |
Date Detail:
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Created Date: 2004-01-23 Completed Date: 2004-05-12 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 1273516 Medline TA: Arch Sex Behav Country: United States |
Other Details:
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Languages: eng Pagination: 65-9 Citation Subset: IM |
Affiliation:
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Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, Michigan, USA. vikramyershr@yahoo.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Coitus / physiology* Female Heart / innervation Heart Rate* / physiology Humans Male Orgasm / physiology* Reference Values Sympathetic Nervous System / physiology Time Factors Vagus Nerve* / physiology |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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