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[Cognitive aging apart from dementia].

Philippe Thomas1, Cyril Hazif-Thomas2

  • 1Centre de recherches sémiotiques, EA 3648, université de Limoges, 39 rue Camille-Guérin, 87000 Limoges, France.

Soins. Gerontologie
|July 26, 2021
PubMed
Summary
This summary is machine-generated.

Cognitive aging is complex and varies individually due to genetics and life experiences. Social factors and overall well-being significantly influence the rate of cognitive decline, highlighting the need for a holistic approach to healthy aging.

Keywords:
agingcognitionenvironmentenvironnementinequalityinégalitémemorymémoirevieillissement

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Area of Science:

  • Neuroscience
  • Gerontology
  • Psychology

Background:

  • Cognitive aging is a heterogeneous process influenced by individual genetic programming and life course.
  • Environmental and social factors play a crucial role in modulating the pace of cognitive aging.
  • Age-related changes, such as slower processing speeds and difficulties with multitasking, suggest hypofrontality.

Purpose of the Study:

  • To explore the multifaceted nature of cognitive aging.
  • To understand the interplay between genetics, lifestyle, and cognitive function over time.
  • To identify key factors contributing to healthy cognitive aging versus accelerated decline.

Main Methods:

  • Review of current literature on cognitive aging.
  • Analysis of genetic, social, and psychological determinants of cognitive function.
  • Exploration of neurobiological correlates of aging, including hypofrontality.

Main Results:

  • Cognitive aging trajectories are highly individualized, diverging significantly from dementia.
  • Social environment and personal well-being (physical, mental, social) are critical moderators of cognitive aging.
  • Evidence suggests age-related hypofrontality contributes to observed cognitive changes.

Conclusions:

  • Cognitive aging is a complex, multifactorial phenomenon.
  • Interventions targeting social engagement and overall well-being may support healthy cognitive aging.
  • Further research is needed to fully elucidate the mechanisms driving individual differences in cognitive aging.