The Impact of a Self-Avatar, Hand Collocation, and Hand Proximity on Embodiment and Stroop Interference

Understanding the effects of hand proximity to objects and tasks is critical for hand-held and near-hand objects. Even though self-avatars have been shown to be beneficial for various tasks in virtual environments, little research has investigated the effect of avatar hand proximity on working memor...

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Bibliographic Details
Published in:IEEE transactions on visualization and computer graphics Vol. 26; no. 5; pp. 1964 - 1971
Main Authors: Peck, Tabitha C., Tutar, Altan
Format: Journal Article
Language:English
Published: United States IEEE 01.05.2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Adult
Avatars
Cognition
Computer Graphics
embodiment
Female
Hand - physiology
Hands
Humans
Interference
Male
Memory tasks
Proximity
Psychomotor Performance - physiology
Resists
Sensors
Stroop interference test
Stroop Test
Task analysis
User-Computer Interface
user-studies
Virtual environments
Virtual Reality
Visualization
Young Adult
ISSN:1077-2626, 1941-0506, 1941-0506
Online Access:Get full text
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Summary:Understanding the effects of hand proximity to objects and tasks is critical for hand-held and near-hand objects. Even though self-avatars have been shown to be beneficial for various tasks in virtual environments, little research has investigated the effect of avatar hand proximity on working memory. This paper presents a between-participants user study investigating the effects of self-avatars and physical hand proximity on a common working memory task, the Stroop interference task. Results show that participants felt embodied when a self-avatar was in the scene, and that the subjective level of embodiment decreased when a participant's hands were not collocated with the avatar's hands. Furthermore, a participant's physical hand placement was significantly related to Stroop interference: proximal hands produced a significant increase in accuracy compared to non-proximal hands. Surprisingly, Stroop interference was not mediated by the existence of a self-avatar or level of embodiment.
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ISSN:1077-2626
1941-0506
1941-0506
DOI:10.1109/TVCG.2020.2973061