Effects of virtual body-representation on motor skill learning. 2022

Yongmin Shin, and Jaeseo Lim, and Yonggwan Kim, and Deog-Gyu Seo, and Jungjoon Ihm
Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea.

Motor learning is often hindered or facilitated by visual information from one's body and its movement. However, it is unclear whether visual representation of the body itself facilitates motor learning. Thus, we tested the effects of virtual body-representation on motor learning through a virtual reality rotary pursuit task. In the task, visual feedback on participants' movements was identical, but virtual body-representation differed by dividing the experimental conditions into three conditions: non-avatar, non-hand avatar, and hand-shaped avatar. We measured the differences in the rate of motor learning, body-ownership, and sense of agency in the three conditions. Although there were no differences in body-ownership and sense of agency between the conditions, the hand-shaped avatar condition was significantly superior to the other conditions in the rate of learning. These findings suggest that visually recognizing one's body shape facilitates motor learning.

UI MeSH Term Description Entries
D007858 Learning Relatively permanent change in behavior that is the result of past experience or practice. The concept includes the acquisition of knowledge. Phenomenography
D009048 Motor Skills Performance of complex motor acts. Motor Skill,Skill, Motor,Skills, Motor
D001828 Body Image Individuals' concept of their own bodies. Body Identity,Body Representation,Body Schema,Body Images,Body Representations,Body Schemas,Identity, Body,Image, Body,Representation, Body,Schema, Body
D006225 Hand The distal part of the arm beyond the wrist in humans and primates, that includes the palm, fingers, and thumb. Hands
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D056228 Feedback, Sensory A mechanism of communicating one's own sensory system information about a task, movement or skill. Visual Feedback,Audio Feedback,Proprioceptive Feedback,Sensorimotor Feedback,Audio Feedbacks,Feedback, Audio,Feedback, Proprioceptive,Feedback, Sensorimotor,Feedback, Visual,Feedbacks, Audio,Feedbacks, Proprioceptive,Feedbacks, Sensorimotor,Feedbacks, Sensory,Feedbacks, Visual,Proprioceptive Feedbacks,Sensorimotor Feedbacks,Sensory Feedback,Sensory Feedbacks,Visual Feedbacks

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