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. Author manuscript; available in PMC: 2016 Aug 1.
Published in final edited form as: Clin Neurophysiol. 2014 Nov 15;126(8):1589–1598. doi: 10.1016/j.clinph.2014.11.002

Figure 1.

Figure 1

Experimental apparatus. In (a), a participant is shown seated with an EEG electrode cap on the head, EMG sensors on the forearms, and looking forward at a feedback display of the isometric wrist extension force. The wrist force sensor is housed under the wrist positioning device. In (b), a different participant’s right wrist is shown positioned appropriately in the device. To test the left wrist, the subject was seated in the adjacent chair so the left arm could be positioned in the device, and the display was moved to be in front of the participant.