Working hard for oneself or others: Effects of oxytocin on reward motivation in social anxiety disorder

Publication date: Available online 27 May 2017
Source:Biological Psychology
Author(s): Angela Fang, Michael T. Treadway, Stefan G. Hofmann
There is some evidence to suggest that oxytocin promotes social behavior, especially for disorders characterized by social dysfunction, such as social anxiety disorder (SAD). The goal of this study was to examine the effect of oxytocin on reward motivation in SAD. We tested whether oxytocin promotes prosocial, or antisocial, self-directed decisions, and whether its effects depended on social anxiety severity and attachment. Fifty-two males with SAD received 24 international units of oxytocin or placebo, and completed a reward motivation task that measured willingness to work for self vs. other monetary rewards. Although there was no main drug effect, social anxiety severity moderated the effect of oxytocin. Less socially anxious individuals who received oxytocin worked harder for other vs. own rewards, compared to high socially anxious individuals. Attachment did not moderate this effect. Among people with SAD, oxytocin enhances prosocial behaviors in individuals with relatively lower levels of social anxiety.National Institutes of Health ClinicalTrials.gov Registry #NCT01856530.http://ift.tt/2s3Izlu.



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