A healthy mind in a healthy body: Effects of arteriosclerosis and other risk factors on cognitive aging and dementia: Effects of arteriosclerosis and other risk factors on cognitive aging and dementia

Monica Fabiani, Bethlehem A. Asnakew, Daniel C. Bowie, Sydney M. Chism, Grace M. Clements, Jennie C. Gardner, Samia S. Islam, Samantha L. Rubenstein, Gabriele Gratton

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

In this review we start from the assumption that, to fully understand cognitive aging, it is important to embrace a holistic view, integrating changes in bodily, brain, and cognitive functions. This broad view can help explain individual differences in aging trajectories and could ultimately enable prevention and remediation strategies. As the title of this review suggests, we claim that there are not only indirect but also direct effects of various organ systems on the brain, creating cascades of phenomena that strongly contribute to age-related cognitive decline. Here we focus primarily on the cerebrovascular system, because of its direct effects on brain health and close connections with the development and progression of Alzheimer's Disease and other types of dementia. We start by reviewing the main cognitive changes that are often observed in normally aging older adults, as well as the brain systems that support them. Second, we provide a brief overview of the cerebrovascular system and its known effects on brain anatomy and function, with a focus on aging. Third, we review genetic and lifestyle risk factors that may affect the cerebrovascular system and ultimately contribute to cognitive decline. Lastly, we discuss this evidence, review limitations, and point out avenues for additional research and clinical intervention.

Original languageEnglish (US)
Title of host publicationCognitive Aging
EditorsKara D. Federmeier, Brennan R. Payne
PublisherAcademic Press Inc.
Pages69-123
Number of pages55
ISBN (Print)9780323990240
DOIs
StatePublished - Oct 7 2022

Publication series

NamePsychology of Learning and Motivation - Advances in Research and Theory
Volume77
ISSN (Print)0079-7421

Keywords

  • Aging
  • Alzheimer's Disease (AD)
  • Arteriosclerosis
  • Attention
  • Cognitive control
  • Dementia
  • Executive function
  • Genetics
  • Long-term memory
  • Stress

ASJC Scopus subject areas

  • Social Psychology
  • Developmental and Educational Psychology

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