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Fig. 5 | Journal of NeuroEngineering and Rehabilitation

Fig. 5

From: Disentangling stability and flexibility degrees in Parkinson’s disease using a computational postural control model

Fig. 5

Power spectral density diagrams for COP velocity (PSD-VEL) from model simulations for different values of KP and Kn. a Increase in KP is associated with “re-shaping” and frequency shift (change in f95) in the PSD-VEL. b Increase in Kn is associated with “re-scaling” in power spectral, and increase in velocity-related measures (MV). Parameter settings: KD = 5.0 N.m.sec/deg., KI = 1.5 N.m/deg./sec, τd = 150 ms, Kn = 500 (for simulations in a), KP = 22.0 N.m/deg. (for simulations in b)

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