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Published on: May 23, 2019
Tool use affects perceived distance, but only when you intend to use it
Jessica K Witt1, Dennis R Proffitt, William Epstein
1Department of Psychology, University of Virginia, PO Box 400400, Charlottesville, VA 22904, USA. jw2ex@virginia.edu
Journal of Experimental Psychology. Human Perception and Performance
|November 3, 2005
Summary
Our perception of distance changes based on whether we can reach an object. When using a tool, reachable spaces seem closer, influencing how we perceive our environment.
Area of Science:
- Cognitive Psychology
- Perception Science
- Human-Environment Interaction
Background:
- Previous research indicates distinct neurological and behavioral responses to reachable versus unreachable space.
- A gap exists in understanding how the physical reachability of objects influences spatial perception.
Purpose of the Study:
- To investigate whether reachability affects the perceived distance to targets.
- To determine if the intention to reach influences the perception of distance.
Main Methods:
- Participants judged target distances under conditions with and without a tool, manipulating reachability.
- A third experiment specifically examined the role of the intention to reach.
Main Results:
- Perceived distances to targets within reach (while holding a tool) were compressed compared to targets beyond reach (without a tool).
- This effect on perceived distance was contingent on the intention to reach.
Conclusions:
- Reachability acts as a significant metric influencing spatial perception.
- The environment is perceived in terms of an individual's intentions and motor capabilities.
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