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The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
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On-item fixations during serial encoding do not affect spatial working memory.

Stefan Czoschke1,2, Sebastian Henschke3, Elke B Lange3

  • 1Max-Planck-Institute for Empirical Aesthetics, Grueneburgweg 14, 60322, Frankfurt, Germany. Stefan.Czoschke@gmail.com.

Attention, Perception & Psychophysics
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PubMed
Summary
This summary is machine-generated.

Eye movements during spatial memory tasks show that fixating on items does not improve memory. However, looking back at previously seen items (regressions) is linked to better spatial memory performance.

Keywords:
Corsi block taskEye-movement controlMemory encodingSerial recallSpatial working memory

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Visual Perception

Background:

  • There is known overlap between the eye-movement system and spatial working memory.
  • This overlap can lead to both interference and beneficial support in cognitive tasks.

Purpose of the Study:

  • To investigate eye-movement control during the encoding of verbal versus spatial information.
  • To determine the relationship between specific eye movement patterns and spatial memory performance.

Main Methods:

  • Participants encoded verbal or spatial information with identical displays across tasks.
  • Eye movements, including saccades and regressions, were tracked during encoding.
  • Memory performance was assessed using serial and free recall tasks across simultaneous and sequential presentations.

Main Results:

  • Saccades to items were less frequent during spatial encoding compared to verbal encoding.
  • No correlation was found between fixating on items and memory performance (no costs or benefits).
  • Regressive fixations on previously presented items were associated with enhanced spatial memory.

Conclusions:

  • On-item fixations during spatial memory encoding appear to be epiphenomenal.
  • Regressive eye movements suggest a role in rehearsal or output preparation for spatial memory.
  • A dissociation exists between different types of fixations in serial spatial memory.