Fig. 1: Study design and participant-facing interface.

a Study design for the Personalized Parkinson’s Project. b Study schematic defining Sets 1 and 2 for the PD VME substudy. Set 1 consists of participants for whom consensus ratings of the MDS-UPDRS were available. Set 2 consists of participants who opted into the PD-VME substudy and performed at least one PD-VME. c User interface to prompt medication logging and PD-VME tasks. Seated rest, arm raise and arm twist (20 s duration), up-and-go (60 s duration).