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Improvements to visual working memory performance with practice and feedback.

Kirsten C S Adam1,2, Edward K Vogel1,2,3

  • 1Department of Psychology, University of Chicago, Chicago, Illinois, United States of America.

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This summary is machine-generated.

Extended practice improved visual working memory, but trial-by-trial feedback benefits were temporary. Participants showed better working memory performance and self-awareness with practice, but feedback did not enhance long-term gains.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience

Background:

  • Visual working memory (VWM) capacity is limited, with frequent performance failures.
  • Participants often lack awareness of their VWM failures.
  • Previous feedback interventions showed transient improvements in VWM.

Purpose of the Study:

  • To investigate if extended practice with or without feedback enhances VWM performance.
  • To determine if feedback benefits persist over time and transfer to new tasks.
  • To examine the impact of practice and feedback on metacognition.

Main Methods:

  • Four groups: VWM practice with feedback, VWM practice without feedback, crossword control, and no-contact control.
  • Participants engaged in practice sessions over time.
  • Performance and metacognitive judgments were assessed.

Main Results:

  • Simple VWM practice improved performance across sessions.
  • Feedback provided partial, temporary benefits, not persisting across all sessions or transferring to a final test.
  • Practice improved metacognition, but feedback slightly impaired concurrent metacognitive accuracy.

Conclusions:

  • Extended VWM practice enhances performance and metacognition.
  • Trial-by-trial feedback offers limited, non-persistent benefits for VWM.
  • Future research should consider practice duration, feedback effects, and statistical power.