The mini-mental state examination (MMSE) or Folstein test is a brief 30-point questionnaire test that is used to assess cognition. It is commonly used in medicine to screen for dementia. In the time span of about 10 minutes it samples various functions including arithmetic, memory and orientation. It was introduced by Folstein et al in 1975,1 and is widely used with small modifications. This test is not the same thing as a mental status examination.
Various other tests are also used, such as the Hodkinson2 abbreviated mental test score (1972, geriatrics) and longer formal tests for deeper analysis of specific deficits.
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The test
The MMSE test includes simple questions and problems in a number of areas: the time and place of the test, repeating lists of words, arithmetic, language use and comprehension, and basic motor skills. For example, one question asks to copy a drawing of two pentagons (shown on the right).1
Interpretation
Any score over 27(out of 30) is effectively normal. Below this, 20-26 indicates some cognitive impairment; 10-19 moderate to severe cognitive impairment, and below 10 very severe cognitive impairment. The normal value is also corrected for degree of schooling and age.3 Low to very low scores correlate closely with the presence of dementia, although other mental disorders can also lead to abnormal findings on MMSE testing. The presence of purely physical problems can also interfere with interpretation if not properly noted; for example, a patient may be physically unable to hear or read instructions properly, or may have a motor deficit that affects writing and drawing skills.
Copyright issues
With the significant popularity of the test, the current MMSE copyright owner Psychological Assessment Resources (PAR) decided, after many years, to start enforcing the copyright and set-up a website to sell official versions of the test.45
The enforcement of the copyright on the MMSE has been compared to stealth patents, where a patent holder waits until an invention gains widespread popularity until commencing enforcement.4 The enforcement of the copyright has led to researchers looking for alternative strategies in assessing cognition.6
References
- ^ a b Folstein MF, Folstein SE, McHugh PR (1975). ""Mini-mental state". A practical method for grading the cognitive state of patients for the clinician". Journal of psychiatric research 12 (3): 189–98. doi:. PMID 1202204.
- ^ Hodkinson HM (1972). "Evaluation of a mental test score for assessment of mental impairment in the elderly". Age and ageing 1 (4): 233–8. doi:. PMID 4669880.
- ^ Crum RM, Anthony JC, Bassett SS, Folstein MF (May 1993). "Population-based norms for the Mini-Mental State Examination by age and educational level". JAMA 269 (18): 2386–91. PMID 8479064.
- ^ a b Powsner S, Powsner D (2005). "Cognition, copyright, and the classroom". The American journal of psychiatry 162 (3): 627–8. doi:. PMID 15741491, http://ajp.psychiatryonline.org/cgi/content/full/162/3/627-a.
- ^ "Mini-Mental State Examination. Psychological Assessment Resources, Inc.". Retrieved on 2006-06-22.
- ^ Holsinger T, Deveau J, Boustani M, Williams JW (June 2007). "Does this patient have dementia?". JAMA 297 (21): 2391–404. doi:. PMID 17551132, http://jama.ama-assn.org/cgi/content/full/297/21/2391.
See also
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- This page was last modified on 1 December 2008, at 16:43.
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