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Grasping type affects configural encoding in visual working memory.

Shinhae Ahn1, Richard A Abrams2

  • 1Department of Psychological and Brain Sciences, Washington University, St. Louis, USA. a.shinhae@wustl.edu.

Experimental Brain Research
|December 27, 2025
PubMed
Summary
This summary is machine-generated.

Grasping actions influence how we process visual information. Precision grasping enhances the use of configural shape information in visual working memory (VWM) more than power grasping.

Keywords:
Change detectionConfigural shape processingHandgraspingVisual working memory

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human-Computer Interaction

Background:

  • Grasping actions influence simple visual feature processing.
  • The effect of grasping on higher-order visual information, like configural shapes, is not well understood.

Purpose of the Study:

  • To investigate how different grasping types impact the processing of configural shape information in visual working memory (VWM).

Main Methods:

  • Participants performed a VWM change detection task while executing either power or precision grasps.
  • Configural shape information availability was manipulated.
  • Experiment 2 controlled for task demands and stimulus appearance.

Main Results:

  • Configural shape information improved change detection performance.
  • Precision grasping showed a greater benefit from configural shape information compared to power grasping.
  • Findings were replicated under varied task demands.

Conclusions:

  • Grasping type modulates the processing of configural shape information in VWM.
  • Different grasping actions affect the encoding and maintenance of configural shape details.