Objective: The purpose of the present study is to investigate the efficacy of positive psychothorapy and dialectical behavior therapy on memory and attention in multiple sclerosis patients. Methods: The research design was pretest-posttest with the control group. The statistical population in this study included multiple sclerosis patients who sought advice from the Rasht multiple sclerosis Association in 2018 (Rasht is a city in northern Iran). The sample comprised 45 multiple sclerosis patients who were assigned to three groups (two experimental and one control group) through random sampling. To gather data, Wechsler memory scale and computerized complex Stroop test were used. The experiment groups received eight sessions of positive psychotherapy and dialectical behavior therapy and no intervention was applied to the control group. Results showed that positive psychotherapy and dialectical Behavior therapy increases memory and attention in multiple sclerosis patients. In terms of attention, dialectical behavior therapy was more effective than positive psychotherapy. Based on these results, it can be concluded that positive psychotherapy and especially dialectical behavior therapy can be employed toimprove memory and attention in the multiple sclerosis patients.

Positive Psychotherapy, Dialectical Behavior Therapy, Memory, Attention