Cited by 487Neuroendocrine regulation and behaviorFace Recognition and PerceptionOlfactory and Sensory Function Studies

Different amygdala subregions mediate valence-related and attentional effects of oxytocin in humans

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Gamer, Matthias, Zurowski, Bartosz, Büchel, Christian·2010·Proceedings of the National Academy of Sciences

Abstract

The neuropeptide oxytocin enhances the processing of positive social stimuli and improves the capacity to effectively attend the eye region of conspecifics. To investigate the neural basis of these effects, we combined intranasal oxytocin administration with high-resolution functional magnetic resonance imaging in a unique emotion classification task. Emotional faces were briefly presented while controlling for the initial fixation, and measuring subsequent eye movements. Oxytocin had differential effects on the activity of specific amygdala subregions. On the one hand, it attenuated activation in lateral and dorsal regions of the anterior amygdala for fearful faces but enhanced activity for happy expressions, thus indicating a shift of the processing focus toward positive social stimuli. On the other hand, oxytocin increased the likelihood of reflexive gaze shifts toward the eye region irrespective of the depicted emotional expression. This gazing pattern was related to an increase of activity in the posterior amygdala and an enhanced functional coupling of this region to the superior colliculi. Thus, different behavioral effects of oxytocin seem to be closely related its specific modulatory influence on subregions within the human amygdala.

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  • Intranasal administration of 24 IU OT affects brain activity in humans.

    “This dose, administered intranasally, has been shown in nonhuman primates to increase OT levels in cerebrospinal fluid significantly (54) and to modulate social behavior (65), as well as to affect brain activity (66) and phasic activity of the parasympathetic nervous system (67) in humans.”
  • Separate oxytocin-application studies in humans indicate that there may be differential amygdala reactivity to fearful faces and fearful/threatening scenes in men and women.

    “separate OXT-application studies in humans have indicated that there may be differential amygdala reactivity to fearful faces and fearful/threatening scenes in men (14, 15) and women (16, 17).”

    From Oxytocin, the peptide that bonds the sexes also divides them (2016) · cites this paper as [14]

  • Previous studies indicate that oxytocin may induce sex-dependent changes in amygdala activation to emotional stimuli, but in opposite directions to the present findings.

    “Previous studies on amygdala responses to fearful faces and fearful/threatening scenes (14 -17, 30) and social risk (31) have also indicated that OXT may induce sex-dependent changes in amygdala activation to emotional stimuli.”

    From Oxytocin, the peptide that bonds the sexes also divides them (2016) · cites this paper as [14]

  • Activity of amygdala subregions is modulated by OXT.

    “and the activity of amygdala subregions is also modulated by OXT (Gamer et al., 2010).”

    From Oxytocin Modulates Social Distance between Males and Females (2012) · cites this paper as Gamer et al., 2010

  • In humans, alterations in amygdala responses to positive and negative emotions have been reported in neuropsychiatric conditions such as autism and schizophrenia, in association with OXTR genetic variants or following intranasal OXT.

    “In humans, alterations in amygdala responses to positive and negative emotions have been reported in neuropsychiatric conditions, such as autism and schizophrenia [72,73], in association with OXTR genetic variants [41,102] or following intranasal OXT [33,36,38,103].”

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Authors
Gamer, M., Zurowski, B., & Büchel, C.
Affiliations
University Medical Center Hamburg-Eppendorf (DE)
Venue
Proceedings of the National Academy of Sciences
Published
2010-04-26
Volume
107
Issue
20
Pages
9400-9405
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2077718235
Cited by
487
References
53
Citations by year
2026: 6 · 2025: 13 · 2024: 14 · 2023: 16 · 2022: 18 · 2021: 25 · 2020: 38 · 2019: 16 · 2018: 31 · 2017: 40 · 2016: 30 · 2015: 38 · 2014: 43 · 2013: 59 · 2012: 46
FWCI
68.76
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
Bundesministerium für Bildung und Forschung
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Face Recognition and Perception
  • Life Sciences › Neuroscience › Sensory Systems › Olfactory and Sensory Function Studies
Keywords
oxytocin, amygdala subregions, emotional face processing, valence, attentional bias, gaze shifts, eye movements, superior colliculus, social cognition
MeSH terms
Adult, Amygdala, Attention, Double-Blind Method, Emotions, Eye Movements, Face, Germany, Humans, Magnetic Resonance Imaging, Male, Oxytocin, Photic Stimulation

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