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. 2021 Sep-Oct;14(5):1340–1352. doi: 10.1016/j.brs.2021.08.022

Fig. 6.

Fig. 6

Interaction of SICI with SAI. The left panel shows the MEP conditioned by ulnar nerve stimulation input (SAI; ISI = 22 ms). The middle panel represents SICI obtained with CSAP3, either alone or combined with ulnar nerve stimulation (SAI-CSAP3). The right panel plots SICI induced by CSPA3 alone and combined with ulnar nerve stimulation (SAI-CSPA3). The combination SAI-CSAP3 produced more inhibition than either conditioning stimulus alone, whereas SAI-CSPA3 produced approximately the same amount of inhibition as each conditioning stimulus alone. Double asterisks indicate p < 0.05 in post hoc pairwise comparison. CS1 indicates the earlier CS, and CS2 means the later CS.