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. 2014 Jan 24;9(1):e87124. doi: 10.1371/journal.pone.0087124

Figure 1. Short interval intracortical inhibition (SICI) and intracortical facilitation (ICF) are biomarkers of cortical function.

Figure 1

SICI was significantly reduced and ICF increased when recording over the (A) abductor pollicis brevis (APB) and (B) first dorsal interosseous (FDI) muscles. (C) There was a significant reduction of SICI when recording over the abductor digit minimi (ADM) muscle, while there was no significant difference (NS) in ICF. The degree of SICI reduction was more prominent when recording over the APB and FDI muscles. *P<0.05; ***P<0.001; ****P<0.0001.