Cognitive decline in the elderly: an analysis of population heterogeneity

• Published in: Age and ageing Vol. 40; no. 6; pp. 684 - 689
• Main Authors: Hayden, Kathleen M., Reed, Bruce R., Manly, Jennifer J., Tommet, Douglas, Pietrzak, Robert H., Chelune, Gordon J., Yang, Frances M., Revell, Andrew J., Bennett, David A., Jones, Richard N.
• Format: Journal Article
• Language: English
• Published: England Oxford University Press 01.11.2011; Oxford Publishing Limited (England)
• Subjects: Age Factors; Aged; Aged, 80 and over; Ageing; Aging; Aging - physiology; Causes of; Cognition & reasoning; Cognition - physiology; Cognition disorders; Cognition Disorders - epidemiology; Cognition Disorders - ethnology; Cognition Disorders - physiopathology; Cognitive disorders; Cognitive impairment; Cognitive performance; Cohort Studies; Dementia; Development and progression; Elderly; Elderly people; Female; Follow-Up Studies; Health aspects; Heterogeneity; Humans; Longitudinal Studies; Magnitude; Male; Middle Aged; Older people; Prevalence; Psychological aspects; Research Papers; Time Factors; United States; United States; 80 and over; aged; longitudinal study; elderly; cognition disorders

Background: studies of cognitive ageing at the group level suggest that age is associated with cognitive decline; however, there may be individual differences such that not all older adults will experience cognitive decline. Objective: to evaluate patterns of cognitive decline in a cohort of older a...