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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Exp Neurol. 2009 Jun 30;219(2):430–438. doi: 10.1016/j.expneurol.2009.06.013

Fig. 2.

Fig. 2

Illustrates the cross-covariance between the torque signal and the rotation signal in one PD subject ON and OFF their medication and one control subject.