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Review
. 1989 Spring;1(1):31-49.
doi: 10.1017/s1041610289000049.

Recent developments in gerontopsychiatric research on age-associated dementia in Japan

A Homma  1 , K Hasegawa
Affiliations
Free article
Review

Recent developments in gerontopsychiatric research on age-associated dementia in Japan

A Homma et al. Int Psychogeriatr. 1989 Spring.
Free article

Abstract

In this review article, we describe the historical background of gerontopsychiatry in Japan and elucidate research studies on dementia. To date, 19 relatively large-scale epidemiological investigations on dementia have been conducted in the community. These results suggest that approximately 4-5% of the population over age 65 has dementia. Multi-infarct dementia is more prevalent than the Alzheimer's type dementia. Three hypotheses for this finding are suggested. Finally, we propose a theoretical model correlating the relationship between degree of cognitive dysfunction and caregiver's stress.

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