Cited by 163Psychedelics and Drug StudiesNeuroendocrine regulation and behaviorNeurotransmitter Receptor Influence on Behavior

The prosocial effects of 3,4-methylenedioxymethamphetamine (MDMA): Controlled studies in humans and laboratory animals

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Kamilar-Britt, Philip, Bedi, Gillinder·2015·Neuroscience & Biobehavioral Reviews

Abstract

Users of ±3,4-methylenedioxymethamphetamine (MDMA; 'ecstasy') report prosocial effects such as sociability and empathy. Supporting these apparently unique social effects, data from controlled laboratory studies indicate that MDMA alters social feelings, information processing, and behavior in humans, and social behavior in rodents. Here, we review this growing body of evidence. In rodents, MDMA increases passive prosocial behavior (adjacent lying) and social reward while decreasing aggression, effects that may involve serotonin 1A receptor mediated oxytocin release interacting with vasopressin receptor 1A. In humans, MDMA increases plasma oxytocin and produces feelings of social affiliation. It decreases identification of negative facial expressions (cognitive empathy) and blunts responses to social rejection, while enhancing responses to others' positive emotions (emotional empathy) and increasing social approach. Thus, consistent with drug folklore, laboratory administration of MDMA robustly alters social processing in humans and increases social approach in humans and animals. Effects are consistent with increased sociability, with mixed evidence about enhanced empathy. These neurobiologically-complex prosocial effects likely motivate recreational ecstasy use.

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Crossref · 10.1016/j.neubiorev.2015.08.016

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  • MDMA may support more constructive engagement with distressing relational patterns by dampening reactivity to negative emotional stimuli.

    “Additionally, by dampening reactivity to negative emotional stimuli, MDMA may support more constructive engagement with distressing relational patterns (153).”

    From Psychoanalytically informed MDMA-assisted therapy for pathological narcissism: a novel theoretical approach (2025) · cites this paper as [153]

    Section 4 reports that MDMA blunted negative feelings after simulated social rejection, and Section 6 suggests that reduced recognition of negative emotions might benefit trauma-related therapy. The paper does not establish that this effect supports constructive engagement with distressing relational patterns; Section 6 says its relevance to clinical settings remains unclear. (LLM, conf=0.83)

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  • Acutely, MDMA has been described as a prototypical entactogen and is recreationally used for its prosocial effects.

    “Acutely, MDMA has been described as a prototypical entactogen and is recreationally used for its prosocial effects (20).”

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  1. Nichols D Yenson R Metzner R The great entactogen empathogen debate MAPS Bulletin 1993 4 47 49

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Authors
Kamilar-Britt, P., & Bedi, G.
Affiliations
New York State Psychiatric Institute (US)
Corresponding author
Bedi, Gillinder
Venue
Neuroscience & Biobehavioral Reviews
Publisher
Elsevier BV
Published
2015-10
Volume
57
Pages
433-446
ISSN
0149-7634 (ISSN-L)
OpenAlex
W1810864195
Cited by
163
References
99
Citations by year
2026: 11 · 2025: 24 · 2024: 23 · 2023: 15 · 2022: 13 · 2021: 15 · 2020: 14 · 2019: 12 · 2018: 13 · 2017: 16 · 2016: 7
FWCI
1.72
Type
journal article
Language
en
Open access
Locations
  • Neuroscience & Biobehavioral Reviews (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
NIDA (DA029679, DA034877)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Psychedelics and Drug Studies
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
MDMA, ecstasy, prosocial behavior, sociability, empathy, social affiliation, oxytocin, vasopressin, 5-HT1A receptor, social reward, aggression, social rejection, facial expression recognition, social approach, rodents
MeSH terms
Animals, Humans, Interpersonal Relations, Social Behavior, N-Methyl-3,4-methylenedioxyamphetamine

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