Practice imperfect: Repeated cognitive testing can obscure early signs of dementia

Alzheimer’s disease is a progressive, neurodegenerative condition that often begins with mild cognitive impairment (MCI), making early and repeated assessments of cognitive change crucial to diagnosis and treatment. Researchers have now found that repeated testing of middle-age men produced a ‘practice effect’ which obscured true cognitive decline and delayed detection of MCI.

Original source: https://www.sciencedaily.com/releases/2018/07/180712100551.htm