Parkinson's disease is a common dementia in the elderly. Current research has found that REM sleep behavior disorder is a pre-stage of Parkinson's disease. Based on previous findings, a range of motor and cognitive behavioral disturbances can occur in the early stages of Parkinson's disease and REM sleep behavior disorder. This app provides early identification and diagnosis of Parkinson's disease by comprehensively assessing REM sleep behavior disorder and Parkinson's disease-related cognitive behavioral function.

Brain Fitness services include:
- hand-eye coordination test
- memory test
- Impulse testing
-Motor function test
-Voice test
- Picture description test
-Emotion record