The effect of Cognitive Remediation Therapy （CRT） on mild cognitive impairment （MCI） ─Case report by Frontal/Executive Program （FEP）─

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  • 軽度認知障害（MCI）に対する認知機能改善療法（CRT）の適用 ─前頭葉／実行機能プログラム（FEP）による症例から─

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The purpose of this study is to examine whether or not an intervention using Frontal / Executive Program （FEP） is effective to improve cognitive functions of people with MCI. Subject was a woman in her 80s who was living alone at the time of the intervention. With regard to her cognitive functions, she was aware of problems with memory, such as being not good at remembering. Total of 22 sessions of FEP were performed; two sessions a week, one on one, each session lasting about an hour. She was assessed to have MCI using MoCA-J. To obtain an objective evaluation before and after the intervention, the Brief Assessment of Cognition in Schizophrenia- Japanese version （BACS-J）, Wisconsin Card Sorting Test （WCST） and Continuous Performance Test （CPT） were performed. As a result, the subject’s verbal fluency and digit sequencing performances before the intervention were notably low in BACS-J, but after the intervention, composite score, verbal memory and the Tower of London showed significant improvement. It was shown that FEP improves the results of cognitive function tests, such as reduction of errors in WCST and CPT, suggesting the applicability of FEP to people with MCI. Compared with other mental illnesses, the result of this study was characteristic because the subject’s verbal fluency did not show enough improvement. In the future, it will be necessary to conduct further studies with more number of cases and to examine the specificity of MCI's cognitive functions.

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