ElectricalVRSki: Switching of Ankle Tendon Electrical Stimulation for Dynamic Modulation of Ground Shape Perception

This demonstration introduces ElectricalVRSki, a VR skiing application using ankle tendon electrical stimulation (TES) that presents various ground shape perceptions, dynamically. The novelty of our dynamic sensory presentation system is its employment of ankle TES, which can be controlled dynamically using a computer and its controller are small and lightweight. To achieve the perception of the ground shape that changes dynamically, we investigated the intervals for the switching ankle TES at which the body tilt sensation could be perceived. Then, we confirmed that the user's body tilt sensation was dynamically modulated even when the ankle TES was switched at intervals of 1.0 second.