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. 2015 Dec 22;9:671. doi: 10.3389/fnhum.2015.00671

FIGURE 2.

FIGURE 2

Experimental protocol (Experiment 2). Transcranial magnetic stimulation (TMS) measurements [motor-evoked potential (MEP), short-latency afferent inhibition (SAI)], afferent facilitation (AF), and resting motor threshold) were made before, immediately, and 20 and 40 min after the following stimulus conditions: (i) ppES with a train of two single pulses at an inter-pulse interval of 5 ms (ppES-5 ms); (ii) ppES with a train of two single pulses at an inter-pulse interval of 15 ms (ppES-15 ms); (iii) PES at 10 Hz; (iv) PES at 20 Hz. In each stimulus condition, 20 min of ppES or PES was delivered.