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We build on these findings using a behavioral task\u2010based measure of response inhibition, a well\u2010defined component of impulsivity, to examine the association of disinhibition with alcohol\u2010specific social network characteristics during early recovery.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Women (<jats:italic>n<\/jats:italic>\u00a0=\u00a028) were recruited from treatment for <jats:styled-content style=\"fixed-case\">AUD<\/jats:styled-content> within 3 to 4\u00a0weeks of their last drink and were assessed at baseline and again 3\u00a0months later. Outcome measures were level of disinhibition at baseline and change in disinhibition from baseline to follow\u2010up, measured using a computer\u2010based continuous performance test. The primary independent variables were level of drinking in the social network at baseline and change in network drinking from baseline to follow\u2010up.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The sample [50% black, age <jats:italic>M<\/jats:italic> (<jats:styled-content style=\"fixed-case\">SD<\/jats:styled-content>)\u00a0=\u00a042.3 (9.5)] reported high rates of physical and sexual abuse before age 13 (43%), psychiatric disorder (71%), drug use disorder (78%), and previous treatment (71%). More drinking in participants' social networks was associated with greater disinhibition at baseline (<jats:italic>\u03b2\u00a0<\/jats:italic>=\u00a012.5, 95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\u00a0=\u00a06.3, 18.7). A reduction in network drinking from baseline to follow\u2010up was associated with reduced disinhibition (<jats:italic>\u03b2\u00a0<\/jats:italic>=\u00a0\u22126.0, 95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\u00a0=\u00a0\u221211.3, \u22120.78) independent of <jats:styled-content style=\"fixed-case\">IQ<\/jats:styled-content>, recent alcohol consumption, and self\u2010reported negative urgency.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This study extends previous findings of an association between social networks and self\u2010reported impulsivity to a neurobehavioral phenotype, response inhibition, suggesting that abstinence\u2010supporting social networks may play a role in cognitive change during early recovery from <jats:styled-content 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