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Related Concept Videos

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Cognitive Development During Adulthood

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Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
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Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
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Related Experiment Video

Updated: Jul 7, 2025

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
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Changes in Adiposity and Cognitive Function in Older Adults: The REGARDS Study.

Wenfei Zhu1, Yanbing Li1, Chenxi Zhao1

  • 1School of Physical Education, Shaanxi Normal University, Xi'an, Shaanxi, China.

The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
|December 22, 2023
PubMed
Summary

Significant decreases in body mass index (BMI) and waist circumference (WC) are linked to increased dementia risk and cognitive decline in older adults. This highlights the importance of monitoring adiposity changes for brain health.

Keywords:
AdiposityExecutive functionMemoryMild cognitive impairment

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Area of Science:

  • Gerontology
  • Neuroscience
  • Public Health

Background:

  • Adiposity is a known risk factor for dementia.
  • Limited research exists on the impact of changes in adiposity on cognitive decline.

Purpose of the Study:

  • To investigate the association between changes in adiposity and cognitive function in older adults.
  • To examine these associations in both Black and White populations.

Main Methods:

  • Longitudinal study of 12,204 older adults without cognitive impairment.
  • Measured percent body mass index (%BMI) and percent waist circumference (%WC) change over time.
  • Assessed cognitive function annually and specific cognitive domains (memory, executive function) every two years.

Main Results:

  • A greater decrease in %BMI and %WC was significantly associated with higher risk of cognitive impairment.
  • Decline exceeding 10% in %BMI or %WC correlated with increased cognitive impairment and loss in memory and executive function.
  • A 5%-10% decrease in %BMI was linked to higher cognitive impairment risk and memory loss.

Conclusions:

  • Significant reductions in adiposity, indicated by %BMI and %WC, are associated with accelerated cognitive decline.
  • Monitoring adiposity changes may be crucial for identifying older adults at risk for cognitive impairment.