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. Author manuscript; available in PMC: 2018 Jun 13.
Published in final edited form as: J Neurosci. 2018 May 14;38(22):5111–5121. doi: 10.1523/JNEUROSCI.3596-17.2018

Figure 6.

Figure 6

During straight unrestrained walking, beta power was modulated in an opposite pattern, similar to what was observed during stepping while sitting and standing. A, Peaks in the accelerometer (y-axis) were classified as heel strikes. Every other step was chosen in each sequence of consecutive steps, and the uniformity of unilateral heel strike was confirmed by examination of the signal in the x-axis of the accelerometer which captured left-right movement. B, Average beta modulation from three patients (n = 6 STN) during walking, which resembles Figure 5A. C, 20 –30 Hz beta modulation from one example patient when aligned to either even or odd steps.