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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...
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Updated: Apr 2, 2026

An Appetitive Spatial Working Memory Task for Mice in a Semi-Automated 8-Arm Radial Maze, Reducing Fearful Memory Association in the Maze
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Sparse Spatial Scaffolding for Visual Working Memory.

Baiwei Liu1, Zampeta-Sofia Alexopoulou2, Siyang Kong2

  • 1Institute for Brain and Behavior Amsterdam, Department of Experimental and Applied Psychology, Vrije Universiteit Amsterdam, Amsterdam 1081 HV, The Netherlands b.liu@vu.nl freek.van.ede@vu.nl.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|March 31, 2026
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Summary
This summary is machine-generated.

Humans flexibly use spatial information for working memory, employing only necessary spatial cues like direction or distance to keep memories distinct. This sparse spatial scaffolding optimizes memory organization and recall.

Keywords:
eye movementinternal attentionoculomotor systemspatial codingvisual working memory

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Area of Science:

  • Cognitive Neuroscience
  • Psychology

Background:

  • Maintaining distinct and accessible information in working memory is crucial for behavior.
  • Spatial configurations are known scaffolds for working memory, but their format and flexibility are unclear.

Purpose of the Study:

  • To investigate the flexible use of spatial scaffolding in working memory.
  • To determine how humans utilize spatial cues for mnemonic individuation.

Main Methods:

  • Presented visual items at varying directions and distances.
  • Analyzed gaze biases during mnemonic selection as an implicit measure of spatial scaffolding.

Main Results:

  • Humans abstract away from item distance when direction alone is sufficient for memory organization.
  • Humans incorporate distance as a spatial scaffold when it aids in distinguishing memories.
  • Working memory employs a minimal, flexible spatial scaffold for representation individuation.

Conclusions:

  • Working memory flexibly utilizes spatial information, adapting the scaffold based on mnemonic needs.
  • This suggests a sparse coding strategy where only essential spatial details are retained.
  • Spatial scaffolding in working memory is dynamic, prioritizing information crucial for separating representations.