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. 2024 Mar 19;24(6):1965. doi: 10.3390/s24061965

Figure 4.

Figure 4

Results of active recording sessions with combination of root mean square acceleration and the signal’s frequency. (A,B) Results on assessment of bradykinesia/slowness (A) and rest tremors (B) based on a combination and concurrent use of the tri-axial accelerometer’s root mean square acceleration and the signal’s frequency. It should be noted that data on one PD subject with tremor is not shown for a merely illustrative reason.