![]() However, because of the small sample size and lack of diversity, additional studies The racial and ethnic make-up of this initial cohort was predominantly White. ![]() On a small sample of only 90 individuals from Canada with scores >25 found toīe diagnostically indicative of normal cognitive functioning (with 87% specificity). The MoCA has beenĪdopted as part of the test battery used by Alzheimer Disease Research CentersĪcross the country ( Besser et al., 2018).ĭespite its ubiquity, the original normative data for the instrument were developed In older adults ( Gluhm et al., 2013 Nasreddine et al., 2005). Variety of medical and mental health professionals in clinical practice to helpĭistinguish normal cognitive aging from mild cognitive impairment (MCI) and dementia This is particularly relevant, as screeners such as the MoCA are favored by a Group and its demographic characteristics. As such, the choice ofĪppropriate cutoff scores is highly dependent on the composition of the normative Optimally separate impaired from normal test performances. ( Chelune, 2017 Ivnik et al., 2001), with cutoff scores chosen to Score in the normative population compared to a population with cognitive impairment Interpretation of scores relies on the base-rate of a given test Montreal Cognitive Assessment (MoCA) ( Nasreddine etĪl., 2005) often rely on norms that have unidirectional or highly skewedĢ006). Unlike tests with population-based distributions that are unimodalĪnd approximate Gaussian distributions ( Mitrushina,īoone, & D’Elia, 1999), brief, cognitive screeners like the Personal and societal detriments ( Obermeyer et al.,Ģ019). Individual’s performance and lead to incorrect diagnoses with unnecessary Without them, screeners can misrepresent an Key to their utility, however, are relevant normative data to guide Cognitive screening instruments are quick, easy to administer, andĬost-efficient.
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