As a mobile app developer myself, this has got me thinking of other ways we could use the other features of modern smart phones to efficiently crowdsource Parkinson's research. Here are some ideas -- some of which are already being explored.
Current symptom tests are done in a clinic. They are expensive, time-consuming, and logistically difficult. Our technology could enable some radical breakthroughs, because voice-based tests can be administered remotely, and patients can do the tests themselves.