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. 2018 Jun 29;9:481. doi: 10.3389/fneur.2018.00481

Figure 5.

Figure 5

Sound-evoked reflexes recorded from the soleus muscle in a normal volunteer. The reflexes were recorded from the left soleus muscle while the subject stood with the head facing over the right shoulder. AC clicks delivered to the right ear (black trace) produced an initial increase in rectified EMG activity followed by a decrease in activity, similar to responses evoked by cathodal galvanic stimulation. Stimulation of the left ear (gray trace) produced responses with the opposite polarity. Reprinted from Watson and Colebatch (72).