Cited by 97Neuroendocrine regulation and behaviorOlfactory and Sensory Function StudiesNeuropeptides and Animal Physiology

Intranasal oxytocin effects on social cognition: A critique

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Evans, Simon L., Dal Monte, Olga, Noble, Pamela, Averbeck, Bruno B.·2014·Brain Research

Abstract

The last decade has seen a large number of published findings supporting the hypothesis that intranasally delivered oxytocin (OT) can enhance the processing of social stimuli and regulate social emotion-related behaviors such as trust, memory, fidelity, and anxiety. The use of nasal spray for administering OT in behavioral research has become a standard method, but many questions still exist regarding its action. OT is a peptide that cannot cross the blood-brain barrier, and it has yet to be shown that it does indeed reach the brain when delivered intranasally. Given the evidence, it seems highly likely that OT does affect behavior when delivered as a nasal spray. These effects may be driven by at least three possible mechanisms. First, the intranasally delivered OT may diffuse directly into the CNS where it directly engages OT receptors. Second, the intranasally delivered OT may trigger increased central release via an indirect peripheral mechanism. And third, the indirect peripheral effects may directly lead to behavioral effects via some mechanism other than increased central release. Although intranasally delivered OT likely affects behavior, there are conflicting reports as to the exact nature of those behavioral changes: some studies suggest that OT effects are not always "pro-social" and others suggest effects on social behaviors are due to a more general anxiolytic effect. In this critique, we draw from work in healthy human populations and the animal literature to review the mechanistic aspects of intranasal OT delivery, and to discuss intranasal OT effects on social cognition and behavior. We conclude that future work should control carefully for anxiolytic and gender effects, which could underlie inconsistencies in the existing literature. This article is part of a Special Issue entitled Oxytocin and Social Behav.

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Authors
Evans, S. L., Dal Monte, O., Noble, P., & Averbeck, B. B.
Affiliations
  • University of Sussex (GB)
  • National Institutes of Health (US)
Venue
Brain Research
Publisher
Elsevier BV
Published
2014-09
Volume
1580
Pages
69-77
ISSN
0006-8993 (ISSN-L)
OpenAlex
W1999143702
Cited by
97
References
106
Citations by year
2026: 3 · 2025: 4 · 2024: 3 · 2023: 5 · 2022: 11 · 2021: 6 · 2020: 9 · 2019: 9 · 2018: 9 · 2017: 11 · 2016: 10 · 2015: 13 · 2014: 3
FWCI
1.15
Type
journal article
Language
en
Open access
Locations
  • Brain Research (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Surrey Research Insight Open Access (The University of Surrey) (submittedVersion)
  • Institutional Research Information System University of Turin (University of Turin) (submittedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (ZIAMH002928)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Sensory Systems › Olfactory and Sensory Function Studies
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
intranasal oxytocin, social cognition, oxytocin receptor, blood-brain barrier, anxiolytic effects, gender differences, social behavior, trust, anxiety, prosocial behavior
MeSH terms
Administration, Intranasal, Animals, Cognition, Humans, Oxytocin, Psychotropic Drugs, Social Behavior

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