Variability in performance: identifying early signs of future cognitive impairment.


OBJECTIVE The current study examined whether year-to-year variability in cognitive performance differ between individuals cognitively unimpaired and individuals who subsequently develop dementia. METHOD Analyses included a case-control sample of Baltimore Longitudinal Study of Aging (BLSA; mean [M] age = 69.90, standard deviation [SD] = 8.92) participants… (More)
DOI: 10.1037/a0028686