Evidence map›Paper›PMID 29260016›Full record

ArticleeNeurologicalSci2017

Association between exercise habits and subcortical gray matter volumes in healthy elderly people: A population-based study in Japan.

Mikie Yamamoto, Kenji Wada-Isoe, Fumio Yamashita, Satoko Nakashita, Masafumi Kishi, Kenichiro Tanaka, Mika Yamawaki, Kenji Nakashima

Open access · goldAbstract read
In one paragraph

Article in eNeurologicalSci, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
0.7field-weighted citation impact, top 30% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 1 synthesis or guideline pooled it, 15 citations in OpenAlex.

  1. Pooled it
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  4. Heritability of Subcortical Grey Matter Structures.Medicina (Kaunas, Lithuania) · 2022
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 4 institutions in 1 country.

Mikie YamamotoDivision of Neurology, Department of Brain and Neurological Sciences, Faculty of Medicine, Tottori University, Japan.
Kenji Wada-IsoeDivision of Neurology, Department of Brain and Neurological Sciences, Faculty of Medicine, Tottori University, Japan.
Fumio YamashitaDivision of Ultrahigh Field MRI, Institute for Biomedical Sciences, Iwate Medical University, Japan.
Satoko NakashitaDivision of Neurology, Department of Brain and Neurological Sciences, Faculty of Medicine, Tottori University, Japan.
Masafumi KishiDivision of Neurology, Department of Brain and Neurological Sciences, Faculty of Medicine, Tottori University, Japan.
Kenichiro TanakaTottori Prefectural Central Hospital, Japan.
Mika YamawakiYamawaki Clinic, Japan.
Kenji NakashimaNational Hospital Organization, Matsue Medical Center, Japan.
Tottori University · JPIwate Medical University · JPNational Hospital Organization · JPTottori Prefectural Central Hospital · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND AND

aimsThe relationship between exercise and subcortical gray matter volume is not well understood in the elderly population, although reports indicate that exercise may prevent cortical gray matter atrophy. To elucidate this association in the elderly, we measured subcortical gray matter volume and correlated this with volumes to exercise habits in a community-based cohort study in Japan.

methodsSubjects without mild cognitive impairment or dementia (n = 280, 35% male, mean age 73.1 ± 5.9 years) were evaluated using the Mini-Mental State Examination (MMSE), an exercise habit questionnaire, and brain magnetic resonance imaging. Subcortical gray matter volume was compared between groups based on the presence/absence of exercise habits. The MMSE was re-administered 3 years after the baseline examination.

resultsNinety-one subjects (32.5%) reported exercise habits (exercise group), and 189 subjects (67.5%) reported no exercise habits (non-exercise group). Volumetric analysis revealed that the volumes in the exercise group were greater in the left hippocampus (p = 0.042) and bilateral nucleus accumbens (left, p = 0.047; right, p = 0.007) compared to those of the non-exercise group. Among the 195 subjects who received a follow-up MMSE examination, the normalized intra-cranial volumes of the left nucleus accumbens (p = 0.004) and right amygdala (p = 0.014)showed significant association with a decline in the follow-up MMSE score.

conclusionSubjects with exercise habits show larger subcortical gray matter volumes than subjects without exercise habits in community-dwelling elderly subjects in Japan. Specifically, the volume of the nucleus accumbens correlates with both exercise habits and cognitive preservation.

Indexed as

Cognitive functionDepressionExerciseNucleus accumbens

Identifiers

PMID29260016
PMCPMC5721551
OpenAlexW2592150961

What OpenQuestion holds

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LicenceCC BY-NC-ND
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.