Vestibular Stimulation Enhances Hand Redirection

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" summary

Uses galvanic vestibular stimulation to induce a subtle body sway that aligns perceived center of gravity with the visually redirected virtual hand, reducing sensory conflict. A wearable GVS rig and per-participant timing calibration (0, 1.5, 3 s tested) increase the hand redirection detection threshold by 53% outward / 44% inward. The prototype lets one physical prop support five virtual cubes, nearly doubling the effective haptic workspace, and works reliably when calibrated to each user’s optimal preemptive onset.

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" chapters (10)

1. 0:00Introduction
2. 0:23Haptic retargeting basics
3. 1:28Detection threshold problem
4. 2:54Vestibular stimulation approach
5. 3:38Demo of GVS effect
6. 5:02VR hand redirection conflict
7. 6:06Study validation results
8. 7:10Expanded haptic workspace
9. 7:52Conclusion and benefits
10. 8:12Q&A session