Nov 17, 2019

What are the threats to successful brain and cognitive aging?

Neurobiology of Aging
Michela GallagherPeter R Rapp

Abstract

The structure and function of the brain change over the life span. Aged brains often accumulate pathologic lesions, such as amyloid plaques and tau tangles, which lead to diminished cognitive ability in some, but not all, individuals. The basis of this vulnerability and resilience is unclear. Age-related changes can alter neural firing patterns and ability to form new memories. Risk factors for cognitive decline include male sex and apolipoprotein E genotype. Physical activity seems to be protective against cognitive decline. Longitudinal studies have shown that, although the onset of amyloid pathology and associated cognitive decline can vary greatly, once it begins, the rate of deposition is similar among affected individuals. This session of the Cognitive Aging Summit III explored fixed and modifiable factors that can threaten cognitive function in aging adults and approaches to modulate at least some of these risks.

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Mentioned in this Paper

Patterns
Longitudinal Studies
Brain
Ability to Perform Cognitive Activity
Amyloid
Tau Proteins
Structure
Aging
Impaired Cognition
Pathology

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