Cited by 86Neuroendocrine regulation and behaviorNeuropeptides and Animal PhysiologyHeart Rate Variability and Autonomic Control

Oxytocin specifically enhances valence-dependent parasympathetic responses

Gamer, Matthias, Büchel, Christian·2012·Psychoneuroendocrinology

Abstract

The evolutionarily highly conserved neuropeptide oxytocin seems to be involved in the regulation of complex forms of social behavior. It enhances the processing of positive social stimuli, reduces behavioral and neuroendocrine stress responses and modulates amygdala activity in humans. Moreover, it has been proposed that oxytocin dampens sympathetic nervous system activity. This hypothesis was tested in a double-blind, placebo-controlled study with 38 men either receiving 24 IU oxytocin intranasally or a placebo spray. While accomplishing an emotion classification task, electrodermal responses were measured as an index of sympathetic activity. Moreover, heart rate changes were recorded that are additionally mediated by the parasympathetic nervous system. Oxytocin enhanced differential heart rate responses to facial expressions as a function of the emotional valence, but had no effect on electrodermal activity or tonic measures of physiological arousal. These results indicate that oxytocin specifically modulates phasic activity of the parasympathetic nervous system which potentially reflects an increased motivational value of facial expressions following oxytocin treatment. Findings suggest that anxiolytic effects of oxytocin are not reflected in short-term sympathetic responses and may even be a consequence of rather than a prerequisite for improved social information processing.

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Crossref · 10.1016/j.psyneuen.2011.05.007

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Authors
Gamer, M., & Büchel, C.
Affiliations
University Medical Center Hamburg-Eppendorf (DE)
Corresponding author
Gamer, Matthias
Venue
Psychoneuroendocrinology
Publisher
Elsevier BV
Published
2012-01
Volume
37
Issue
1
Pages
87-93
ISSN
0306-4530 (ISSN-L)
OpenAlex
W2074465881
Cited by
86
References
35
Citations by year
2026: 2 · 2025: 2 · 2024: 1 · 2023: 3 · 2022: 7 · 2021: 7 · 2020: 4 · 2019: 4 · 2018: 3 · 2017: 8 · 2016: 9 · 2015: 9 · 2014: 8 · 2013: 10 · 2012: 6
FWCI
11.71
Type
journal article
Language
en
Open access
closed
Locations
  • Psychoneuroendocrinology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute for Materials Science
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
Keywords
oxytocin, parasympathetic nervous system, sympathetic nervous system, emotional valence, facial expressions, heart rate, electrodermal activity, social behavior, anxiolytic effects, social information processing, intranasal administration
MeSH terms
Administration, Intranasal, Adult, Emotions, Facial Expression, Fixation, Ocular, Galvanic Skin Response, Heart Rate, Humans, Male, Oxytocin, Parasympathetic Nervous System, Photic Stimulation, Psychomotor Performance

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