فصلنامه روانشناسی شناختی

This study aimed to assess cognitive fatigue in M.S disease and non-disease based on attributional style. First, 40 patients were selected among Women members of the MS Society of Esfahan City according to scores obtained in attribution style questionnair. Then a control group of 40 women without M.S who were matched to disease in scores of attribution style and the characteristics of age, education and marital status were selected. Subjects in 8 groups (4 control, 4 experiment) 10 patients each were assigned. This has some stage. First, subjects in the control and experiment group were facing with controllable and uncontrollable problems followed up in the second, the groups solved Anagram problems. Data were analyzed by the analysis of variance and Tukey test. The results indicated the groups are differences in cognitive fatigue according to the attributional style and type of tasks. Patients has a positive attribution style were faced with unsolvable tasks showing less cognitive fatigue compared patients with negative attributional style. Also there was no difference between these with normal counterparts. M.S with negative attribution style in face with unsolvable tasks showed more cognitive fatigue compared patients with positive attributional style and solvable task.