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Related Experiment Videos

Pointing movements both impair and improve visuospatial working memory depending on serial position.

Clelia Rossi-Arnaud1, Emiddia Longobardi2, Pietro Spataro3

  • 1Department of Psychology, Sapienza University of Rome, Via dei Marsi 78, 00185, Rome, Italy. clelia.rossi-arnaud@uniroma1.it.

Memory & Cognition
|April 1, 2017
PubMed
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Pointing movements impact spatial memory recall. While passive viewing aids initial recall, pointing improves memory for later items by adding a motor code, balancing attentional demands in visuospatial working memory.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Memory

Background:

  • Visuospatial working memory is crucial for remembering object locations and order.
  • Motor actions during encoding can influence memory performance, but effects vary.

Purpose of the Study:

  • To investigate how pointing movements affect item and order recall in different spatial arrays.
  • To understand the dual effects of motor encoding on visuospatial working memory.

Main Methods:

  • Two experiments used passive viewing versus pointing conditions for encoding spatial arrays.
  • Participants recalled the locations of squares in their presentation order.
  • Array types included random, horizontal, and vertical configurations of varying sizes.
Keywords:
Pointing movementsSerial recallSymmetryVisuospatial working memory

Related Experiment Videos

Main Results:

  • Pointing inhibited recall in initial and central serial positions compared to passive viewing.
  • Pointing significantly enhanced recall in final serial positions.
  • These effects were consistent across different array types and sizes.

Conclusions:

  • Pointing has both inhibitory (attentional cost) and facilitatory (motor code) effects on spatial recall.
  • The net impact of pointing depends on attentional resource demands at each serial position.
  • Findings support theories integrating motor and perceptual information in working memory.