Mean age and years of schooling were 73☖ and 11±4 years, respectively, with no significant intergroup differences. Participants were evaluated with both the MoCA-S and the Mini-Mental State Examination (MMSE) to determine the discriminant validity of the MoCA-S. To evaluate the psychometric properties and discriminant validity of the MoCA-S in elderly patients in Santiago de Chile.ġ72 individuals were grouped according to their clinical diagnosis based on the Clinical Dementia Rating (CDR) scale as follows: amnestic mild cognitive impairment (aMCI n☒4), non-amnestic MCI (naMCI n☒4), mild dementia (n☒0), and cognitively normal (n☑04). Few studies have validated the Spanish-language version of the Montreal Cognitive Assessment (MoCA-S) test in Latin American populations.