Fig. 2From: Therapeutic benefits of music-based synchronous finger tapping in Parkinson’s disease—an fNIRS study protocol for randomized controlled trial in Dalian, ChinaStandard Protocol Items: Recommendation for Interventional Trials (SPIRIT). W, weeks; SFT, synchronous finger tapping; HC, healthy control; CFT, continuous finger tapping; fNIRS, functional near-infrared spectroscopy; MoCA, Montreal Cognitive Assessment Test; UPDRS, Unified Parkinson’s Disease Rating ScaleBack to article page