Neurite density

Biomarker

1 paper1 finding

  • Humans1

Associations

1

Physical activity

downin humans1

1 study
  1. Physical activity is associated with neurite density in humans (βs between -0.133 and -0.056, all p < 0.001).

    Humansmotor tractsn = 4,188

    Effects of Physical Activity on Brain White Matter Integrity Are Region-, Dose-, and Age-Dependent: Findings From the Population-Based Rhineland Study

    Aging cell1 Aug 2026

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bioRxiv

Brain wiring links to different thinking skills with age

In 86 adults, brain scans showed widespread white matter changes, while older people relied on different nerve pathways than younger adults for executive tasks.In 86 adults, brain scans showed widespread white matter changes, while older people relied on different nerve pathways than younger adults for executive tasks.

Preprint: cross-sectional study of 86 peopleMechanisms