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Related Experiment Video

Updated: Jun 24, 2025

The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
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Spatial-positional associations in short-term memory can vanish in long-term memory.

Morgane Ftaïta1, Alessandro Guida2, Michaël Fartoukh1

  • 1BCL, CNRS, Université Côte d'Azur, Nice, France.

Memory & Cognition
|June 12, 2024
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Summary
This summary is machine-generated.

Spatialization in working memory, known as the SPoARC effect, may not be permanent. This study found that spatial-positional associations vanish as sequences are repeatedly presented and chunked.

Keywords:
Hebb repetition effectLong-term memorySPoARC effectSpatializationWorking memory

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Memory

Background:

  • The SPoARC effect demonstrates that serial information is spatially processed in working memory.
  • The durability of these spatial-positional associations remains an open question.

Purpose of the Study:

  • To investigate if spatialization persists when sequences are repeatedly presented and potentially chunked.
  • To explore whether chunking leads to unified spatial representations and the vanishing of spatialization.

Main Methods:

  • A spatialization task inspired by the Hebb repetition paradigm was used.
  • Thirty-seven participants performed a task involving repeated sequences of four stimuli.
  • Participants judged if a probe stimulus belonged to the presented sequence using lateralized response keys.

Main Results:

  • On average, no significant spatialization was observed for repetitive sequences.
  • The spatialization effect was detectable early in the task but diminished with repetition.
  • Increased sequence repetition correlated with reduced left-to-right spatialization.

Conclusions:

  • Spatial-positional associations in working memory can diminish for repeated sequences.
  • Working memory may reduce spatialization efforts once a sequence is chunked into long-term memory.