Figure 1. Performance of the three groups on the Probabilistic Response Reversal Task as indicated by the number of errors to criterion made in the acquisition and reversal phases of the pair 100–0 (left) and of the pair 80–20 (right).

Maximum errors  = 40. Error bars indicate standard error of the mean. ASPD–P  =  Antisocial Personality Disorder without Psychopathy; ASPD+P  =  Antisocial Personality Disorder with Psychopathy.