The performance of 20 acute schizophrenics and 10 depressives, matched for age, verbal intelligence and pre‐morbid functioning, was assessed on a choice reaction‐time card‐sorting task. Stimulus and response uncertainty were varied independently, and there were two main conditions, distraction and no distraction. The schizophrenics were slower than the depressives over all the functions ex...... hiện toàn bộ