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Dissociated Spatial-Arithmetic Associations in Horizontal and Vertical Dimensions.

Dixiu Liu1,2,3, Tom Verguts4, Mengjin Li1,2,3

  • 1School of Psychology, South China Normal University, Guangzhou, China.

Frontiers in Psychology
|October 20, 2017
PubMed
Summary
This summary is machine-generated.

Spatial-numerical associations link small numbers to the left and large numbers to the right. While addition shifts attention right and subtraction shifts left, this study found no vertical spatial-arithmetic effects.

Keywords:
arithmetichorizontalnumerical cognitionspatial attentionvertical

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Area of Science:

  • Cognitive Psychology
  • Numerical Cognition
  • Spatial Cognition

Background:

  • Spatial-numerical associations are well-established for basic number processing.
  • Research has extended this to mental arithmetic, showing horizontal spatial-arithmetic effects.
  • The role of vertical spatial-arithmetic associations remains unexplored.

Purpose of the Study:

  • To investigate the existence of vertical spatial-arithmetic associations.
  • To replicate horizontal spatial-arithmetic associations using a target detection paradigm.
  • To assess the completeness of the analogy between elementary number processing and mental arithmetic.

Main Methods:

  • Utilized a target detection paradigm adapted from Liu et al. (2017).
  • Examined spatial shifts in attention during addition and subtraction tasks.
  • Investigated effects in both horizontal and vertical dimensions.

Main Results:

  • Confirmed horizontal spatial-arithmetic associations: addition induced rightward shifts, subtraction induced leftward shifts.
  • No significant spatial-arithmetic association was found in the vertical dimension.
  • The findings partially support the analogy between elementary number processing and mental arithmetic.

Conclusions:

  • Horizontal spatial-arithmetic associations are robust.
  • The absence of vertical effects suggests limitations in the analogy between basic number processing and mental arithmetic.
  • Further research is needed to fully understand spatial-arithmetic interactions.