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Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum

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Published on: March 21, 2019

Calibration to tool use during visually-guided reaching.

Brian Day¹, Elham Ebrahimi², Leah S Hartman³

¹Department of Psychology, Butler University, United States.

Acta Psychologica

|October 18, 2017

Summary

This summary is machine-generated.

Human body schema adapts to tool use through calibration, adjusting action schemas to accurately represent altered capabilities. This study shows tool-specific calibration influences perception and performance in manual tasks.

Keywords:

Calibration Distance perception Embodied action schema Reaching Tool use Vision

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Area of Science:

Cognitive Psychology
Neuroscience
Human-Computer Interaction

Background:

Understanding how the human body schema adapts to tool use is crucial for human perception and performance research.
Tools frequently alter human capabilities, necessitating accurate representation within the body schema.
Calibration is hypothesized to modify embodied action schemas during tool use.

Purpose of the Study:

To investigate the role of calibration in modifying embodied action schemas during tool use.
To examine how manual activity in near space is affected by tool-assisted calibration.
To determine if calibration effects transfer to post-tool use actions.

Main Methods:

Participants performed blind reaches to visual targets before and after a calibration phase.
A behavioral measure assessed reach accuracy.
During calibration, participants received accuracy feedback, with one group using a reach-extending tool (30cm) and a control group using a non-extending tool.

Main Results:

Both groups exhibited calibration specific to the tool used during the calibration phase.
The observed calibration effects persisted into the post-test phase.
This suggests that the body schema recalibrates based on tool-mediated experiences.

Conclusions:

Calibration is a key mechanism for updating embodied action schemas in response to tool use.
Findings support the concept of an adaptive embodied action schema.
Results have implications for virtual reality, particularly in self-avatar development and user embodiment.