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Effect of egocentric and allocentric reference frames on spatial-numerical associations.

Julie Lenoir1, Arnaud Badets1

  • 1INCIA-UMR 5287-CNRS, Université de Bordeaux, Bordeaux, France.

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|November 12, 2023
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Summary
This summary is machine-generated.

Spatial-numerical associations (SNAs) are flexible, organizing differently along the body

Keywords:
AllocentricSNARC effectSNAsegocentricnumerical cognitionsagittal and transverse planes

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Area of Science:

  • Cognitive Science
  • Neuroscience
  • Embodied Cognition

Background:

  • Sensorimotor mechanisms are crucial for abstract processing, including number meanings.
  • Spatial-numerical associations (SNAs), like the SNARC effect, link spatial cognition to number processing.
  • Previous research primarily focused on SNAs along the transverse plane (left-right axis).

Purpose of the Study:

  • To investigate the organization of SNAs across transverse and sagittal planes.
  • To examine how SNAs change with egocentric versus allocentric spatial reference frames.
  • To explore the flexibility of SNAs during body displacements.

Main Methods:

  • Experiment 1: Assessed SNAs using an egocentric reference frame during body displacement.
  • Experiment 2: Assessed SNAs using an allocentric reference frame during body displacement.
  • Measured response times to number magnitude based on spatial orientation.

Main Results:

  • With an egocentric reference, SNAs were found only along the sagittal plane (front-back axis).
  • With an allocentric reference, SNAs were observed exclusively along the transverse plane (left-right axis).
  • A reversed pattern of SNA organization was observed between the two reference frames.

Conclusions:

  • SNAs demonstrate significant flexibility depending on the body's spatial reference frame.
  • The findings highlight the dynamic interplay between spatial representation and numerical cognition.
  • This research expands our understanding of embodied cognition in abstract processing across different spatial dimensions.