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Related Experiment Video

Updated: Jul 23, 2025

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
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Autonomic nervous system flexibility for understanding brain aging.

Feng V Lin1, Kathi L Heffner2

  • 1Department of Psychiatry and Behavioral Sciences, Stanford University, USA; Wu Tsai Neurosciences Institute, Stanford University, USA.

Ageing Research Reviews
|July 17, 2023
PubMed
Summary
This summary is machine-generated.

Autonomic nervous system (ANS) flexibility is key for understanding Alzheimer's disease (AD/ADRD) progression. This framework guides using ANS measures for early AD/ADRD detection and personalized interventions.

Keywords:
AdaptationAutonomic nervous system flexibilityBrain agingDementia pathologiesInteroception

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Area of Science:

  • Neuroscience
  • Gerontology
  • Digital Health

Background:

  • Autonomic nervous system (ANS) measures are proposed as digital health markers for early detection of Alzheimer's disease and related dementias (AD/ADRD).
  • Existing research presents contradictory or inconclusive findings regarding the ANS' role in dementia.
  • A need exists to clarify the ANS' function in differentiating dementia-related brain pathologies.

Purpose of the Study:

  • To propose a framework centered on Autonomic Nervous System (ANS) flexibility for understanding dementia.
  • To guide future research on applying ANS function to differentiate dementia types and stages.
  • To explore the implications of ANS flexibility for brain aging and dementia resilience.

Main Methods:

  • Literature review of ANS and dementia-related brain pathologies (past 10 years).
  • Development and presentation of an ANS flexibility model.
  • Discussion of the model's application to brain aging, dementia, resilience, and vulnerability.

Main Results:

  • The proposed ANS flexibility model offers a structured approach to dementia research.
  • The model can potentially differentiate between various dementia pathologies and stages.
  • Understanding ANS flexibility may illuminate factors influencing resilience and vulnerability to dementia.

Conclusions:

  • ANS flexibility is a critical concept for advancing dementia research and early detection.
  • The proposed framework provides a roadmap for future studies integrating ANS measures into dementia diagnostics.
  • This approach may lead to novel strategies for modifying brain aging and dementia trajectories.