Alexithymia, reward sensitivity and risky drinking: the role of internal drinking motives

AbstractTwo personality dimensions, alexithymia and reward sensitivity, are known risk factors for problematic alcohol consumption. Internal or mood-change motives of drinking to cope with negative mood, as well as drinking to enhance positive mood (“get high”), have also been implicated as risk factors. The present study sought to determine whether the association between alexithymia and risky drinking is mediated by the motive of drinking to cope with negative mood, and whether the association between reward sensitivity and risky drinking is mediated by the motive of drinking to enhance positive mood. Social drinkers aged 18–45 years were recruited from an Australian university and the local community, with the final sample consisting of 155 participants (80 females, 75 males). They completed an online questionnaire battery that included the Toronto Alexithymia Scale (TAS-20), Depression Anxiety Stress Scales 21 (DASS-21), Drinking Motives Questionnaire – Revised (DMQ-R), Sensitivity to Punishment and S...