Self-Generated Auditory Feedback as a Cue to Support Rhythmic Motor Stability
Stas S. Krupenia*, Pablo F. Hoffman†, Hagar Zalmanov‡, Veronica .K.E. Krupenia‡ and Daniel Gopher‡
Thales Research and Technology,
† Aalborg University, Denmark
‡ Israel Institute of Technology, Israel
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A goal of the SKILLS project is to develop Virtual Reality (VR)-based training simulators for different application domains, one of which is juggling. Within this context the value of multimodal VR environments for skill acquisition is investigated. In this study, we investigated whether it was necessary to render the sounds of virtual balls hitting virtual hands within the juggling training simulator. First, we recorded sounds at the jugglers’ ears and found the sound of ball hitting hands to be audible. Second, we asked 24 jugglers to juggle under normal conditions (Audible) or while listening to pink noise intended to mask the juggling sounds (Inaudible). We found that although the jugglers themselves reported no difference in their juggling across these two conditions, external juggling experts rated rhythmic stability worse in the Inaudible condition than in the Audible condition. This result suggests that auditory information should be rendered in the VR juggling training simulator.
© Owned by the authors, published by EDP Sciences, 2011