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Assessing Human Spatial Navigation in a Virtual Space and its Sensitivity to Exercise

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Published on: January 26, 2024

Verbal-spatial and visuospatial coding of number-space interactions.

Wim Gevers¹, Seppe Santens, Elisah Dhooge

¹Unite de Recherche en Neurosciences Cognitives, Universite Libre de Bruxelles, 1050 Brussels, Belgium. Wim.Gevers@ulb.ac.be

Journal of Experimental Psychology. General

|February 4, 2010

Summary

This summary is machine-generated.

The spatial numerical association of response codes (SNARC) effect is not solely due to visual-spatial number coding. Verbal-spatial coding also significantly influences number representations and spatial cognition.

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Area of Science:

Cognitive Psychology
Neuroscience
Numerical Cognition

Background:

A strong link between number and space representation is theorized.
The spatial numerical association of response codes (SNARC) effect supports this link, showing faster left-hand responses to small numbers and right-hand responses to large numbers.
Visuospatial coding of magnitude (mental number line hypothesis) is the primary explanation for the SNARC effect.

Purpose of the Study:

To investigate the influence of verbal-spatial coding on number-space interactions.
To determine if visuospatial coding is the sole driver of the SNARC effect.
To explore the interplay between verbal-spatial and visuospatial coding in numerical cognition.

Main Methods:

Conducted a series of experiments to test hypotheses about number-space coding.
Designed tasks to directly contrast visuospatial and verbal-spatial coding influences.
Analyzed response times and accuracy to infer underlying cognitive processes.

Main Results:

Demonstrated that verbal-spatial coding significantly influences cognitive processes previously thought to be purely visuospatial.
Observed verbal-spatial coding effects even in the absence of visuospatial coding when directly contrasted.
Provided evidence that the SNARC effect is not exclusively explained by visuospatial coding.

Conclusions:

The SNARC effect and related number-space interactions are influenced by both visuospatial and verbal-spatial coding.
Verbal-spatial coding plays a crucial role in how we represent and process numerical magnitude in space.
Findings challenge the dominant visuospatial explanation and suggest a more complex interplay of coding systems in numerical cognition.