Nonlinear changes in cognition with age and their neuropsychologic correlates.
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000523:psychology*; D001921:Brain / Q000502:physiology; D003071:Cognition / Q000502:physiology; D004569:Electroencephalography; D006801:Humans; D008875:Middle Aged; D009483:Neuropsychological Tests; D014057:Tomography, X-Ray Computed