Does targeted cognitive training reduce educational disparities in cognitive function among cognitively normal older...

Area of Science:

• Gerontology
• Cognitive Neuroscience
• Public Health

Background:

• Older adults with limited education face higher dementia risk.
• Cognitive training aims to improve cognitive functions in aging populations.
• Educational attainment can influence health outcomes and intervention effectiveness.

Purpose of the Study:

• To examine how educational differences impact cognitive training outcomes.
• To compare treatment responses to memory, reasoning, and speed of processing training.
• To assess long-term effects of cognitive interventions based on education level.

Main Methods:

• Secondary analysis of the Advanced Cognitive Training for Independent and Vital Elderly trial.
• Randomized controlled trial with 2800 older adults in four groups: memory, reasoning, speed of processing, or control.
• Repeated-measures mixed-effects model to analyze outcomes up to 10 years post-training.

Main Results:

• Reasoning and memory training effects were consistent across educational levels.
• Speed of processing training showed a 50% greater effect in individuals with <12 years of education compared to those with ≥16 years.
• The benefit of speed of processing training for lower-educated individuals persisted for 3 years.

Conclusions:

• Speed of processing training is particularly effective for older adults with low educational attainment.
• Cognitive interventions can be tailored to benefit diverse educational backgrounds.
• Findings suggest potential for targeted cognitive strategies to mitigate dementia risk in vulnerable populations.