Related Experiment Videos
Transfer of calibration in length perception by dynamic touch
Rob Withagen1, Claire F Michaels
1Vrije Universiteit, Amsterdam, The Netherlands. r.withagen@ppsw.rug.nl
Perception & Psychophysics
|April 9, 2005
Summary
Action calibration is functionally specific. This study found perception calibration also transfers across limbs, suggesting functional organization in sensory systems, not just motor systems.
Area of Science:
- Perception science
- Motor control
- Human factors
Background:
- Previous research indicated action calibration is functionally specific, transferring to actions with similar goals.
- The current study explores if perceptual calibration also exhibits functional specificity.
Purpose of the Study:
- To investigate whether perceptual calibration is organized functionally, similar to action calibration.
- To determine if recalibrating one perceptual pathway transfers to another for the same sensory information.
Main Methods:
- Two experiments were conducted using visual feedback to recalibrate perceived length.
- Participants wielded a rod with their right hand during recalibration.
Main Results:
- Recalibration of perceived length with the right hand transferred to length perception with the left hand.
- This demonstrates cross-limb transfer of perceptual calibration.
Conclusions:
- Perceptual calibration is organized functionally, not anatomically.
- Findings support the hypothesis that calibration applies to broader functional systems, encompassing both perception and action.