Figure 4. Effects of intermittent theta burst stimulation (iTBS) applied to the dorsal premotor cortex (PMd) on faciliatory intracortical circuits of the primary motor cortex.

The effect on intracortical facilitation (ICF) was investigated by determining the conditioned motor-evoked potential (MEP) amplitudes expressed as a percentage of the MEP amplitudes induced by the test stimulus at baseline alone. Circles indicate means and standard errors of the ICF before and after application of the sham-iTBS600 interventional protocol to the PMd. Black triangles indicate means and standard errors of the ICF before and after the iTBS600 interventional protocol was applied to the PMd. *p < 0.05 compared with sham-iTBS600.