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Background <p>Working memory (WM) training in aging promotes an individual’s more flexible use of their resources. Conversely, WM training neural correlates have been rarely examined. In this pilot study, we aimed to assess both behavioral and neural correlates of WM training of trained and untrained (transfer effects) tasks in the short and long term.</p> Methods <p>With a double-blind, repeated-measures experimental design, 30 community-dwelling older adults (aged from 64 to 75) were randomly assigned to a training group (TG) or an active control group.</p> Results <p>For the trained task, behavioral data indicated an improved WM performance, and electrophysiological data showed a lateralized event-related potential activation after training and 6 months later (follow-up) in the TG only. Clear transfer effects (<i>n</i>-back task) maintained at the follow-up appeared only on the electrophysiological level.</p> Conclusions <p>These results suggest that WM training can represent a promising approach to sustain older adults’ cognitive functioning and to modulate cortical plasticity, inducing long-lasting left-lateralized activation.</p>

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Short- and long-term cognitive and electrophysiological effects of a brief working memory training in older adults: a pilot study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年11月7日

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  • Erika Borella,
  • Elena Carbone,
  • Chiara Spironelli

摘要

Background

Working memory (WM) training in aging promotes an individual’s more flexible use of their resources. Conversely, WM training neural correlates have been rarely examined. In this pilot study, we aimed to assess both behavioral and neural correlates of WM training of trained and untrained (transfer effects) tasks in the short and long term.

Methods

With a double-blind, repeated-measures experimental design, 30 community-dwelling older adults (aged from 64 to 75) were randomly assigned to a training group (TG) or an active control group.

Results

For the trained task, behavioral data indicated an improved WM performance, and electrophysiological data showed a lateralized event-related potential activation after training and 6 months later (follow-up) in the TG only. Clear transfer effects (n-back task) maintained at the follow-up appeared only on the electrophysiological level.

Conclusions

These results suggest that WM training can represent a promising approach to sustain older adults’ cognitive functioning and to modulate cortical plasticity, inducing long-lasting left-lateralized activation.