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The Montreal Cognitive Assessment (MoCA) is a brief cognitive schedule that has been developed for the screening of patients with Mild Cognitive Impairment (MCI). MCI is recognized as a high‐risk state for Alzheimer's disease. The aim of the present study is to examine the reliability and validity of the Brazilian version of the MoCA test (MoCA‐BR) in a sample of older individuals with at least 4 years of education.

The MoCA‐BR was administered to 112 older adults who were classified into three diagnostic groups according to their cognitive state (Alzheimer's disease, n = 28; MCI, n = 43; normal controls, n = 41). This procedure was based on clinical and neuropsychological data. The performance in the MoCA‐BR was compared with the Mini‐mental state examination (MMSE) and the Cambridge Cognitive Examination. Diagnostic accuracy was examined with the receiver operating …