Memory response to oxytocin predicts relationship dissolution over 18 months
Christopher Cardoso1, Christopher Kalogeropoulos1, Christopher A Brown1
1Centre for Research in Human Development, Department of Psychology, Concordia University, Montreal, QC, Canada.
Psychoneuroendocrinology
|March 18, 2016
Summary
Intranasal oxytocin reduced recall of past partners but increased conflict memories in current relationships. This suggests oxytocin
Area of Science:
- Neuroscience
- Psychology
- Social Science
Background:
- Oxytocin is recognized for its role in pair bonding in non-human animals.
- The function of oxytocin in human romantic bonding requires further investigation.
Purpose of the Study:
- To investigate the effect of oxytocin on human romantic bonding.
- To examine oxytocin's influence on memory recall of romantic experiences.
- To assess the predictive value of these memories on relationship dissolution.
Main Methods:
- A placebo-controlled, within-subject, randomized experiment was conducted.
- 48 participants (24 female) self-administered intranasal oxytocin or placebo.
- Participants completed an autobiographical memory test and relationship status was tracked for 18 months.
Main Results:
- Oxytocin administration led to recall of fewer past romantic partner memories compared to placebo.
- Increased recall of current relationship conflict memories after oxytocin predicted relationship dissolution.
- A specific memory response to oxytocin predicted long-term relationship outcomes.
Conclusions:
- The memory response to intranasal oxytocin may serve as an indicator of relationship trajectories.
- Oxytocin influences memory recall related to romantic relationships.
- This study provides insights into the neurobiological underpinnings of human bonding and relationship stability.
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