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Brief screening tool for mild cognitive impairment in older Japanese: validation of the Japanese version of the Montreal Cognitive Assessment
Fujiwara Y, Suzuki H, Yasunaga M, Sugiyama M, Ijuin M, Sakuma N, Inagaki H, Iwasa H et al.. Geriatrics & gerontology international, 2010-02-04
Topic: Risk, prevention and care in population studies
Aim The Montreal Cognitive Assessment (MoCA), developed by Dr Nasreddine (Nasreddine et al. 2005), is a brief cognitive screening tool for detecting older people with mild cognitive impairment (MCI). We examined the reliability and validity of the Japanese version of the MoCA (MoCA-J) in older Japanese subjects. Methods Subjects were recruited from the outpatient memory clinic of Tokyo Metropolitan Geriatric Hospital or community-based medical health check-ups in 2008. The MoCA-J, the Mini-Mental State Examination (MMSE), the revised version of Hasegawa's Dementia Scale (HDS-R), Clinical Dementia Rating (CDR) scale, and routine neuropsychological batteries were conducted on 96 older subjects. Mild Alzheimer's disease (AD) was found in 30 subjects and MCI in 30, with 36 normal controls. Results The Cronbach's alpha of MoCA-J as an index of internal consistency was 0.74. The test-retest reliability of MoCA, using intraclass correlation coefficient between the scores at baseline survey and follow-up survey 8 weeks later was 0.88 (P Conclusion The MoCA-J could be a useful cognitive test for screening MCI, and could be recommended in a primary clinical setting and for geriatric health screening in the community.
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APA 7th
Fujiwara, Y., Suzuki, H., Yasunaga, M., Sugiyama, M., Ijuin, M., Sakuma, N., et al. (2010). Brief screening tool for mild cognitive impairment in older Japanese: validation of the Japanese version of the Montreal Cognitive Assessment. Geriatrics & gerontology international. https://doi.org/10.1111/j.1447-0594.2010.00585.x
Vancouver
Fujiwara Y, Suzuki H, Yasunaga M, Sugiyama M, Ijuin M, Sakuma N, et al. Brief screening tool for mild cognitive impairment in older Japanese: validation of the Japanese version of the Montreal Cognitive Assessment. Geriatrics & gerontology international. 2010. doi:10.1111/j.1447-0594.2010.00585.x. PMID: 20141536.
BibTeX
@article{fujiwara2010-20141536,
author = {Fujiwara, Y. and Suzuki, H. and Yasunaga, M. and Sugiyama, M. and Ijuin, M. and Sakuma, N. and Inagaki, H. and Iwasa, H. and others},
title = {{Brief screening tool for mild cognitive impairment in older Japanese: validation of the Japanese version of the Montreal Cognitive Assessment}},
journal = {Geriatrics \& gerontology international},
year = {2010},
doi = {10.1111/j.1447-0594.2010.00585.x},
pmid = {20141536},
url = {https://doi.org/10.1111/j.1447-0594.2010.00585.x}
}
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Key findings
- Results The Cronbach's alpha of MoCA-J as an index of internal consistency was 0.74.
Why it matters
The Japanese version of the Montreal Cognitive Assessment showed internal consistency of 0.74 and test-retest reliability of 0.88 in 96 older subjects, 30 with mild Alzheimer's disease, 30 with mild cognitive impairment and 36 normal controls. The authors conclude it could be a useful cognitive test for screening mild cognitive impairment in primary clinical settings and community health screening, but it is a screening tool, not a treatment or cure.
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Study details
- Participants30
- Evidence strengthLow
How this study scored 53/100
Published in a peer-reviewed journal. Scored zero for study design, effect reported and randomised / blinded because the record does not state it.
| Component | Points | Why |
|---|---|---|
| Journal tier | 7 / 10 | Tier 3 — peer-reviewed journal (Geriatrics & gerontology international) |
| Journal's citation record | 1 / 4 | Geriatrics and gerontology international/Geriatrics & gerontology international: journal h-index 103 (OpenAlex, 2026-10-29) |
| Study design | 0 / 12 | No study design recorded — scores zero, not guessed (not stated in the record — scored 0) |
| Strength of evidence | 1 / 5 | Rated “low” in our summary |
| Peer-review validation | 10 / 10 | Peer-reviewed. Published as an article in a named peer-reviewed journal. |
| How recent | 1 / 5 | 2010 — within 20 year(s) of the newest study here |
| Sample size | 1 / 4 | 30 participants |
| Effect reported | 0 / 3 | No effect size reported — scores zero (not stated in the record — scored 0) |
| Studied in people | 3 / 3 | Studied in people (participant count stated) |
| Randomised / blinded | 0 / 2 | No randomisation or blinding stated — scores zero (not stated in the record — scored 0) |
| Times cited | 6 / 7 | Cited 632 times (OpenAlex, 2026-10-10) |
| Citations per year | 4 / 5 | 35.1 citations a year over 18 year(s) since 2010 |
| Impact for its field and year | 4 / 6 | Cited 8.6× the average for papers of its field and year (OpenAlex FWCI) |
| Cited by studies here | 3 / 6 | Cited by 12 other studies in this library |
| Still being cited | 4 / 4 | Cited 212 times in 2024–2026 (2026 still in progress; OpenAlex) |
| Senior author's track record | 3 / 4 | Last-listed author Shoji Shinkai: h-index 61 (OpenAlex, whole career) |
| Institution's track record | 1 / 3 | The University of Tokyo: institution h-index 1,463 (OpenAlex) |
| Multi-centre collaboration | 2 / 3 | OpenAlex lists 4 institution(s) in 2 countries |
| Indexed in PubMed | 2 / 2 | Indexed in PubMed (PMID 20141536) |
| Free to read | 0 / 2 | Behind a paywall — scores zero |
| Total | 53 / 100 | — |
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