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J Am Med Dir Assoc. 2017 Aug 1;18(8):686-691. doi: 10.1016/j.jamda.2017.02.013. Epub 2017 Apr 7.

Effects of Cognitive Leisure Activity on Cognition in Mild Cognitive Impairment: Results of a Randomized Controlled Trial.

Author information

1
Department of Preventive Gerontology, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan; Japan Society for the Promotion of Science, Tokyo, Japan; Department of Neurology and Medicine, Albert Einstein College of Medicine, Yeshiva University, Bronx, NY. Electronic address: take-d@ncgg.go.jp.
2
Department of Neurology and Medicine, Albert Einstein College of Medicine, Yeshiva University, Bronx, NY.
3
Department of Preventive Gerontology, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan.
4
National Center for Geriatrics and Gerontology, Obu, Aichi, Japan; Institute for Gerontology, J.F. Oberlin University, Tokyo, Japan.

Abstract

OBJECTIVE:

To test the hypothesis that a long-term, structured cognitive leisure activity program is more effective than a health education program at reducing the risk of further cognitive decline in older adults with mild cognitive impairment syndrome (MCI), a high risk for dementia.

DESIGN:

A 3-arm, single-blind randomized controlled trial.

SETTING:

Community.

PARTICIPANTS:

A total of 201 Japanese adults with MCI (mean age: 76.0 years, 52% women).

INTERVENTIONS:

Participants were randomized into 1 of 2 cognitive leisure activity programs (60 minutes weekly for 40 weeks): dance (n = 67) and playing musical instruments (n = 67), or a health education control group (n = 67).

MEASUREMENTS:

Primary outcomes were memory function changes at 40 weeks. Secondary outcomes included changes in Mini-Mental State Examination and nonmemory domain (Trail Making Tests A and B) scores.

RESULTS:

At 40 weeks, the dance group showed improved memory recall scores compared with controls [mean change (SD): dance group 0.73 (1.9) vs controls 0.01 (1.9); P = .011], whereas the music group did not show an improvement compared with controls (P = .123). Both dance [mean change (SD): 0.29 (2.6); P = .026] and music groups [mean change (SD): 0.46 (2.1); P = .008] showed improved Mini-Mental State Examination scores compared with controls [mean change (SD): -0.36 (2.3)]. No difference in the nonmemory cognitive tests was observed.

CONCLUSIONS:

Long-term cognitive leisure activity programs involving dance or playing musical instruments resulted in improvements in memory and general cognitive function compared with a health education program in older adults with MCI.

TRIAL REGISTRATION:

UMIN-CTR UMIN000014261.

KEYWORDS:

MCI; brain; cognitive function; dementia

PMID:
28396179
DOI:
10.1016/j.jamda.2017.02.013
[Indexed for MEDLINE]

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