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Goal-Directed Movement Enhances Body Representation Updating
Wen Wen1, Katsutoshi Muramatsu1, Shunsuke Hamasaki1
1Department of Precision Engineering, University of Tokyo Tokyo, Japan.
Frontiers in Human Neuroscience
|July 23, 2016
Summary
Goals significantly influence body representation updating. Goal-directed movements, particularly when actively performed, enhance the modification of perceived body positions, suggesting a role for the sense of agency.
Area of Science:
- Cognitive Neuroscience
- Psychology
- Human Perception
Background:
- Body representation is dynamic, constantly updated by sensory input.
- Understanding factors influencing body representation is crucial for cognitive science.
Purpose of the Study:
- To investigate how goals affect the updating of body representation.
- To explore the role of agency in goal-directed body representation modification.
Main Methods:
- Utilized the rubber hand paradigm with virtual hands.
- Participants performed goal-directed (object touching) and non-goal-directed movements.
- Assessed perceived hand position, sense of agency, and ownership.
Main Results:
- Goal-directed movements led to greater shifts in perceived hand position toward the virtual hand.
- This effect was observed only in active movement conditions, not passive ones.
- Sense of agency correlated with enhanced body representation updating.
Conclusions:
- Goal-directed actions significantly update body representation.
- The sense of agency plays a key role in modifying body representation during goal-directed movements.
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