Software-based Modification of Hand Tremors in XR

Our study will be composed of an experimental and an active comparator (i.e., control) arm. Both arms will perform a postural tremor test (PTT) to elicit parkinsonian tremors. The PTT is where subjects stabilize their backs against a wall and position their hands in the air against gravity for two minutes. The experimental arm will receive VR plus activated Tremor Stabilization Algorithms (TSA-ON) while the active comparator arm will receive VR only (TSA-OFF). Thus, subjects in the experimental arm will not see their digital arms tremor while those in the active comparator arm will. Our primary outcome is the severity of PTT elicited tremors. Tremors will be recorded by VR motion-capture controllers.