Cognitive enrichment

Exposure

1 paper3 findings

  • 1 lab in 1 country
  • Humans1

Outcomes

2

AD and related dementia neuropathologic indices

no changein humans1

1 study
  1. Cognitive enrichment has no effect on AD and related dementia neuropathologic indices in humans.

    “In the deceased subset (n = 948), lifetime cognitive enrichment did not show meaningful associations with neuropathologic indices”

    Humansdeceased subsetn = 948

    Associations of Lifetime Cognitive Enrichment With Incident Alzheimer Disease Dementia, Cognitive Aging, and Cognitive Resilience

    Neurology11 Feb 2026

Cognitive decline

downin humans1

1 study
  1. Cognitive enrichment decreases cognitive decline in humans (estimate = 0.02, SE = 0.01, p = 0.002).

    “Lifetime enrichment was positively associated with cognitive function at baseline (estimate = 0.31, SE = 0.02, p < 0.001) and a slower rate of cognitive decline (estimate = 0.02, SE = 0.01, p = 0.002).”

    Humansaverage of 7.6 yearsn = 1,939

    Associations of Lifetime Cognitive Enrichment With Incident Alzheimer Disease Dementia, Cognitive Aging, and Cognitive Resilience

    Neurology11 Feb 2026

Associations

1

Alzheimer's disease dementia

downin humans1HR 0.62

1 study
  1. Cognitive enrichment lowers the risk of Alzheimer's disease dementia in humans (HR 0.62, 95% CI 0.52-0.73).

    “One unit higher in lifetime enrichment was associated with 38% lower hazards of developing AD dementia (hazard ratio 0.62, 95% CI 0.52-0.73, p < 0.001).”

    Humansaverage of 7.6 yearsn = 1,939

    Associations of Lifetime Cognitive Enrichment With Incident Alzheimer Disease Dementia, Cognitive Aging, and Cognitive Resilience

    Neurology11 Feb 2026

More on Alzheimer's disease dementia

Latest

Nov 2025: 0Dec 2025: 0Jan 2026: 0Feb 2026: 1Mar 2026: 0Apr 2026: 0May 2026: 0Jun 2026: 0Jul 2026: 0Aug 2026: 0Sep 2026: 0Oct 2026: 01 in 12 months