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The Montreal Cognitive Assessment, MoCA: a brief screening tool for mild cognitive impairment.

Author information

Affiliations

  • 1. Center for Clinical Research, Neurology Service, Hôpital Charles LeMoyne, Quebec, Canada.
      Authors
    • Nasreddine ZS 1
    (1 author)

Journal of the American Geriatrics Society, 01 Apr 2005, 53(4):695-699
https://doi.org/10.1111/j.1532-5415.2005.53221.x PMID: 15817019 

This article has been corrected. See J Am Geriatr Soc. 2019 Sep;67(9):1991.

Abstract 

Objectives

To develop a 10-minute cognitive screening tool (Montreal Cognitive Assessment, MoCA) to assist first-line physicians in detection of mild cognitive impairment (MCI), a clinical state that often progresses to dementia.

Design

Validation study.

Setting

A community clinic and an academic center.

Participants

Ninety-four patients meeting MCI clinical criteria supported by psychometric measures, 93 patients with mild Alzheimer's disease (AD) (Mini-Mental State Examination (MMSE) score > or =17), and 90 healthy elderly controls (NC).

Measurements

The MoCA and MMSE were administered to all participants, and sensitivity and specificity of both measures were assessed for detection of MCI and mild AD.

Results

Using a cutoff score 26, the MMSE had a sensitivity of 18% to detect MCI, whereas the MoCA detected 90% of MCI subjects. In the mild AD group, the MMSE had a sensitivity of 78%, whereas the MoCA detected 100%. Specificity was excellent for both MMSE and MoCA (100% and 87%, respectively).

Conclusion

MCI as an entity is evolving and somewhat controversial. The MoCA is a brief cognitive screening tool with high sensitivity and specificity for detecting MCI as currently conceptualized in patients performing in the normal range on the MMSE.

Full text links 

Read article at publisher's site: https://doi.org/10.1111/j.1532-5415.2005.53221.x

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Funding 

Funders who supported this work.

NIA NIH HHS (1)