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Mental number space in three dimensions.

Bodo Winter1, Teenie Matlock1, Samuel Shaki2

  • 1Cognitive and Information Sciences, University of California, Merced, 5200 North Lake Rd., 95340 Merced, CA, USA.

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|September 15, 2015
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Summary
This summary is machine-generated.

Spatial and numerical cognition interact, challenging the simple left-right number line. Research reveals numbers map to vertical and near/far space, suggesting embodied cognition. This offers new insights into brain organization.

Keywords:
EmbodimentIntra-parietal sulcusMental number lineMetaphorNeglectSNARCSpatial cognition

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Experimental Psychology

Background:

  • Neuroscience and psychology findings show interplay between spatial and numerical cognition.
  • The traditional view posits a horizontal mental number line (small numbers left, large numbers right).

Purpose of the Study:

  • To review and synthesize research on the spatial mapping of numbers.
  • To explore multi-dimensional number-space associations beyond the horizontal line.
  • To discuss origins and implications for brain organization and embodied cognition.

Main Methods:

  • Literature review and synthesis of experimental findings.
  • Analysis of research on spatial cognition and numerical cognition interactions.
  • Theoretical discussion on multi-dimensional number space and embodied cognition.

Main Results:

  • Evidence supports multiple spatial mappings for numbers, including vertical and near/far dimensions.
  • The traditional horizontal number line is insufficient to explain all observed spatial-numerical associations.
  • Number-space mappings may have origins in brain organization and brain-culture interactions.

Conclusions:

  • Cognition is embodied, grounded, and situated, as evidenced by multi-dimensional number-space mappings.
  • Further research can explore the origins and neural basis of these diverse spatial representations of numbers.
  • Novel predictions arise from viewing number-space associations within a three-dimensional framework.