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Related Concept Videos

Working Memory01:24

Working Memory

160
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
160

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Alpha neurofeedback training improves visual working memory in healthy individuals.

Wenbin Zhou1,2, Wenya Nan3,4, Kaiwen Xiong1

  • 1School of Psychology, Shanghai Normal University, Shanghai, China.

NPJ Science of Learning
|April 18, 2024
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Summary

Alpha neurofeedback (NF) training enhances visual working memory capacity and precision. This brain training method improved performance on tasks involving the visuospatial sketchpad, suggesting benefits for memory quantity and quality.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Neurotechnology

Background:

  • Neurofeedback (NF) training allows individuals to regulate neural activity.
  • Alpha (8-12 Hz) NF training may enhance working memory capacity.
  • Its effects on working memory precision and task specificity are underexplored.

Purpose of the Study:

  • To investigate alpha NF training's impact on working memory capacity and precision.
  • To examine neural changes associated with alpha NF training.
  • To determine if alpha NF training differentially affects various working memory tasks.

Main Methods:

  • Randomized, single-blind, sham-controlled experiment.
  • Forty participants allocated to NF or sham control groups.
  • Five consecutive days of daily 30-minute NF training (alpha or sham).
  • Assessment using modified Sternberg task, Corsi-block tapping task, and color-recall task.

Main Results:

  • Alpha NF training showed a significant increase in alpha activity within sessions.
  • No significant changes in behavioral performance or neural activity on the modified Sternberg task.
  • Significant increases in visual working memory capacity (Corsi-block tapping task).
  • Improved visual working memory precision in the color-recall task's interference condition.

Conclusions:

  • Alpha NF training enhances both the quantity and quality of visual working memory.
  • Effects are observed in tasks engaging the visuospatial sketchpad.
  • Suggests potential for NF in improving specific aspects of cognitive function.