{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T16:29:36Z","timestamp":1791822576842,"version":"4.3.4"},"reference-count":30,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2018,2,12]],"date-time":"2018-02-12T00:00:00Z","timestamp":1518393600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int J Geriat Psychiatry"],"published-print":{"date-parts":[[2018,7]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To provide age\u2010corrected and education\u2010corrected norms for the Montreal Cognitive Assessment (MoCA) and the Memory Index Score (MoCA\u2010MIS) in Brazil.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Community\u2010dwelling outpatients were enrolled if they had no history of neurologic or psychiatric diseases and were not taking any drugs with effects on the central nervous system. Dementia has been excluded with the Functional Activities Questionnaire. The final sample consisted of 597 cognitively healthy Brazilians aged 50 to 90\u00a0years. To account for nonlinear relationships, we have used fractional polynomials that provide a flexible parameterization for continuous variables.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>According to the original proposed cutoff (\u226425 points), 87% of our sample would be considered impaired. Even using a more conservative suggestion (\u226422 points), 67% of our normative sample would be regarded as impaired. These data reinforce the need of adjusting cutoffs for schooling in populations with heterogeneous educational backgrounds. MoCA scores presented a nonlinear positive association with education tending to a plateau at higher levels (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00.001). On the other hand, MoCA\u2010MIS scores presented a nonlinear negative relationship with age, with an accelerated pattern at higher age levels (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>We presented normative data for the MoCA and the MoCA\u2010MIS that will facilitate the use of the test in Brazil and, potentially, in other populations with substantial proportions of low\u2010educated individuals. Moreover, we described a systematic approach for adjusting the effects of age and education using fractional polynomials and provided suggestions on how to account for the nonlinear relationship that is frequently encountered between demographic factors and measures of cognitive performance.<\/jats:p><\/jats:sec>","DOI":"10.1002\/gps.4866","type":"journal-article","created":{"date-parts":[[2018,2,12]],"date-time":"2018-02-12T09:06:40Z","timestamp":1518426400000},"page":"893-899","source":"Crossref","is-referenced-by-count":58,"title":["Normative data for the Montreal Cognitive Assessment (MoCA) and the Memory Index Score (MoCA\u2010MIS) in Brazil: Adjusting the nonlinear effects of education with fractional polynomials"],"prefix":"10.1002","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0261-129X","authenticated-orcid":false,"given":"Daniel","family":"Apolinario","sequence":"first","affiliation":[{"name":"Division of Geriatrics, Department of Internal Medicine 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