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Study Finds Digital Technology Use Reduces Cognitive Decline in Older Adults

A meta-analysis of over 411,000 participants challenges the 'digital dementia' hypothesis, showing technology use may protect brain health in later life.

Use of computers and other forms of technology was linked with a lower risk of cognitive impairment, new research has found.
A stock image of an elderly happy couple relaxing while using smartphones.
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Overview

  • A meta-analysis of 57 studies, published in *Nature Human Behaviour*, found a 58% lower risk of cognitive decline among older adults who regularly use digital technology.
  • The study refutes the 'digital dementia' hypothesis, which suggested that lifetime technology use weakens cognitive abilities, instead showing potential cognitive benefits.
  • The protective effects of technology use were consistent across studies, even after controlling for factors such as age, education, income, health, and lifestyle.
  • Researchers propose that digital technology fosters cognitive resilience by promoting memory, organization, and social engagement, though the exact mechanisms remain uncertain.
  • Experts emphasize that while moderate technology use appears beneficial, excessive use, particularly of social media, may yield inconsistent or negative effects.