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Association of social isolation and smartphone use on cognitive functions.
Morikawa, Masanori; Lee, Sangyoon; Makino, Keitaro; Bae, Seongryu; Chiba, Ippei; Harada, Kenji; Tomida, Kouki; Katayama, Osamu; Shimada, Hiroyuki.
  • Morikawa M; Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Aichi 474-8511, Japan. Electronic address: morikawa@ncgg.go.jp.
  • Lee S; Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Aichi 474-8511, Japan.
  • Makino K; Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Aichi 474-8511, Japan; Japan Society for the Promotion of Science, Chiyoda-ku, Tokyo 102-0083, Japan.
  • Bae S; Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Aichi 474-8511, Japan.
  • Chiba I; Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Aichi 474-8511, Japan.
  • Harada K; Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Aichi 474-8511, Japan.
  • Tomida K; Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Aichi 474-8511, Japan.
  • Katayama O; Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Aichi 474-8511, Japan; Japan Society for the Promotion of Science, Chiyoda-ku, Tokyo 102-0083, Japan.
  • Shimada H; Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Aichi 474-8511, Japan.
Arch Gerontol Geriatr ; 101: 104706, 2022.
Article in English | MEDLINE | ID: covidwho-1797165
ABSTRACT

BACKGROUND:

The number of socially isolated older adults has increased owing to the coronavirus disease pandemic, thus leading to a decrease in cognitive functions among this group. Smartphone use is expected to be a reasonable preventive measure against cognitive decline in this social context. Thus, this study aimed to investigate the influence of social isolation and smartphone use on cognitive functions in community-dwelling older adults.

METHODS:

We divided 4,601 community-dwelling older adults into four groups based on their levels of social isolation and smartphone use. Then, we conducted cognitive functions tests including a word list memory task, trail-making test, and symbol digit substitution task. Social isolation was defined when participants met two or more of the following

measures:

domestic isolation, less social contact, and social disengagement. We used an analysis of covariance adjusted by background information to measure between-group differences in levels of cognitive functions and social isolation. A linear regression model was used to analyze the association of standardized scores of cognitive function tests with smartphone use.

RESULTS:

Smartphone users' scores of the symbol digit substitution task were superior compared with both non-users with social isolation and without. All cognitive functions were associated with smartphone use among non-socially and socially isolated participants. Socially isolated older adults showed an association only between trail making test- part A and smartphone use.

CONCLUSIONS:

Smartphone use was associated with cognitive functions (memory, attentional function, executive function, and processing speed) even in socially isolated community-dwelling older adults.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Cognitive Dysfunction / Smartphone Type of study: Prevalence study / Prognostic study / Qualitative research / Randomized controlled trials / Risk factors Limits: Aged / Humans Language: English Journal: Arch Gerontol Geriatr Year: 2022 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Cognitive Dysfunction / Smartphone Type of study: Prevalence study / Prognostic study / Qualitative research / Randomized controlled trials / Risk factors Limits: Aged / Humans Language: English Journal: Arch Gerontol Geriatr Year: 2022 Document Type: Article