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Related Experiment Videos

Memory enhancement in healthy older adults using a brain plasticity-based training program: a randomized, controlled

Henry W Mahncke1, Bonnie B Connor, Jed Appelman

  • 1Posit Science Corporation, 225 Bush Street, San Francisco, CA 94104, USA. henry.mahncke@positscience.com

Proceedings of the National Academy of Sciences of the United States of America
|August 5, 2006
PubMed
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Intensive cognitive training can improve memory in older adults by enhancing brain plasticity. These memory gains were sustained and generalized to untrained tasks, suggesting a potential intervention for age-related cognitive decline.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Gerontology

Background:

  • Normal aging leads to functional decline in perception, cognition, and memory.
  • Age-related cognitive decline is linked to reduced signal-to-noise ratio and impaired neuromodulatory function in the brain.
  • The brain's lifelong plasticity suggests that age-related cognitive deficits may be reversible.

Purpose of the Study:

  • To investigate the effectiveness of a plasticity-engaging training program in reversing age-related cognitive decline.
  • To assess improvements in cognitive function and memory in older adults following targeted training.
  • To determine if cognitive enhancements are sustained and generalize to untrained tasks.

Main Methods:

  • A randomized, controlled trial was conducted with older adults.

Related Experiment Videos

  • Participants were assigned to either a training program, an active control, or a no-contact control group.
  • Standardized neuropsychological measures were used to assess cognitive function and memory outcomes.

    • Main Results:

    • The training group showed significant improvements in tasks directly related to the training.
    • Generalization of improvements to non-related memory measures was observed (effect size of 0.25).
    • Memory enhancements were sustained at a 3-month follow-up, while control groups showed no significant changes.

    Conclusions:

    • Intensive, plasticity-engaging training can enhance cognitive function in healthy older adults.
    • The study demonstrates that cognitive training can lead to measurable and sustained memory improvements.
    • These findings support the potential of cognitive training as an intervention for age-related cognitive decline.