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| Effect of a combined exercise and cognitive activity intervention on cognitive function in community-dwelling older adults: a pilot randomized controlled trial |
| Murata S, Ono R, Yasuda H, Tanemura R, Kido Y, Kowa H |
| Physical Therapy Research 2021;24(2):112-119 |
| clinical trial |
| 7/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; Intention-to-treat analysis: Yes; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
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OBJECTIVE: The purpose of this study is to investigate the effect of an intervention combining exercise and cognitive activity on cognitive function in healthy older adults. METHODS: This pilot randomized controlled trial recruited 33 eligible, healthy community-dwelling older adults (mean age 77.1 years old; women 51.5%), who were divided into intervention and waitlist control groups. The intervention group was engaged weekly in a group activity comprising exercise and discussions of homework, which included reading aloud, simple arithmetic, and simple activities, like spotting differences, for cognitive stimulation. They were also required to complete cognitive activity homework twice a week. The waitlist control group received no intervention. The main outcomes were cognitive function assessed using the Mini-Mental State Examination, delayed recall score on the Logical Memory IIA of the Wechsler Memory Scale Revised, Trail Making Test, and digit symbol substitution test. RESULTS: According to the results, Mini-Mental State Examination scores were maintained in the intervention group but declined in the control group (mean change in outcomes in control group (95% confidence interval) -1.68 (-2.89 to -0.48)). Additional mean change in outcomes in intervention group were found (1.68 (0.02 to 3.35)). CONCLUSIONS: Interventions combining exercise and cognitive activity can be helpful for preserving cognitive function in healthy older adults.
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