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. 2017 Apr 20;11:197. doi: 10.3389/fnhum.2017.00197

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Copyright © 2017 Mrachacz-Kersting and Stevenson.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Change in tibialis anterior (TA) motor evoked potential (MEP) amplitude after suprathreshold PA_bi-paired associative stimulation (PAS) compared to suprathreshold PA_mono-PAS at rest. (A) TA MEP changes prior to and following the suprathreshold PA_bi-PAS intervention for one participant. Data are the average of 16 trials. (B) TA MEP changes in mV, prior to, immediately following, and 30 min post suprathreshold PA_bi-PAS (n = 11) compared to the suprathreshold PA_mono-PAS (n = 11) intervention. Across both interventions, MEPs were significantly increased immediately after PAS (p = 0.018) and 30 min after PAS (p < 0.001) compared to before PAS. (C) TA MEP immediately following and 30 min post suprathreshold PA_bi-PAS and suprathreshold PA_mono-PAS interventions expressed as a percent change from values prior to the intervention. Asterisks in (B,C) denote significant differences. Error bars represent standard deviation.