Effects of systemic oxytocin receptor activation and blockade on risky decision making in female and male rats
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View abstract on PubMed
Summary
This summary is machine-generated.Oxytocin influences decision-making under risk, but its effects differ between sexes. In female rats, oxytocin signaling impacts choices involving potential punishment, unlike in males.
Area Of Science
- Neuroscience
- Behavioral Endocrinology
- Pharmacology
Background
- Oxytocin is recognized for its roles in childbirth, lactation, and social behaviors.
- Emerging evidence suggests oxytocin also modulates behaviors like drug use and risk assessment.
Purpose Of The Study
- To investigate the role of oxytocin signaling in decision-making under risk of punishment.
- To determine if oxytocin's influence on risky choices is sex-dependent.
Main Methods
- Rats were trained on a task involving choices between safe and risky rewards with associated punishment (footshock).
- Acute intraperitoneal injections of oxytocin or an oxytocin receptor antagonist were administered.
- Performance was assessed following drug administration in both male and female rats.
Main Results
- Neither oxytocin nor its antagonist affected task performance in male rats.
- In female rats, both oxytocin and the antagonist dose-dependently decreased preference for the risky reward.
- Control experiments ruled out changes in food motivation or shock sensitivity as the cause.
Conclusions
- Oxytocin signaling exerts a sex-dependent influence on risky decision-making in rats.
- These findings highlight a novel role for oxytocin in evaluating risks, particularly in females.
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