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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Brain Stimul. 2014 Oct 5;8(1):42–56. doi: 10.1016/j.brs.2014.09.017

Figure 1.

Figure 1

Intraoperative measurements of ECAPs and tremor. (A) The timeline of each trial, in which ECAPs were measured during DBS (stim) and tremor was recorded during baseline and stim periods. (B) Raw accelerometer measurements made for 20 s along the X-, Y-, and Z-axes for EP12E during 130 Hz DBS at the clinical voltage (VCLIN) with cathodic-phase first polarity, and in the preceding baseline period with DBS off. (C) Power spectral density (PSD) of the tremor data from (B) on both a log scale, for comparison between DBS off and DBS on conditions, and a linear scale, for comparison of the relative magnitude of different peaks in the signals. (D) Raw ECAP recording made from EP12D for 130 Hz DBS at VCLIN with cathodic-phase first polarity.

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