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. Author manuscript; available in PMC: 2013 Jan 5.
Published in final edited form as: Clin Neurophysiol. 2011 Apr 23;122(11):2254–2259. doi: 10.1016/j.clinph.2011.02.038

Fig 2a.

Fig 2a

Average rectified EMG traces from one subject illustrating that subthreshold TMS alone (80%RMT) resulted in no EMG response (top trace), suprathreshold PNS stimulation alone elicits a small H-reflex (middle trace), and when the same subthreshold TMS pulse precedes the PNS pulse by 20ms, the H-reflex amplitude grows substantially.