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Motor simulation in tool-use effect on distance estimation: A replication of Witt and Proffitt (2008)
Lisa Molto1, Nicolas Morgado2, Eric Guinet1
1University of Grenoble Alpes, University of Savoie Mont Blanc, CNRS, LPNC, Grenoble, France.
Psychonomic Bulletin & Review
|January 23, 2020
Summary
This study investigated how intending to use a tool affects spatial perception. Results did not support the idea that motor simulation influences distance estimation or that tool use affects perception.
Area of Science:
- Cognitive Psychology
- Human Perception and Performance
- Motor Control
Background:
- Witt and Proffit (2008) proposed motor simulation influences spatial perception during intended actions.
- Their research suggested tool use shortens perceived distance, but only without concurrent motor tasks.
Purpose of the Study:
- To replicate and extend Witt and Proffit's (2008) findings on tool use and spatial perception.
- To investigate the role of motor simulation in the action-constraint effect on distance estimation.
Main Methods:
- Replication of Witt and Proffit's (2008) study with an expanded control group and increased sample size.
- Examination of distance estimation for targets under conditions with and without intended tool use, and with/without concurrent motor tasks.
Main Results:
- The current study failed to replicate the tool-use effect on distance perception.
- Evidence supporting the role of motor simulation in mediating this effect was not found.
- Reanalysis of original data suggested nuanced interpretation was needed.
Conclusions:
- The findings do not support the hypothesis that motor simulation underlies the tool-use effect on spatial perception.
- The existence and mechanisms of action-constraint effects on space perception require further investigation.
- Additional replications are necessary to clarify these phenomena.
