Figure 5: Localization of motor task-related signal changes.
From: In vivo assessment of human brain oscillations during application of transcranial electric currents
The voxels with the most significant task-related signal source change in the range of 0.5–30 Hz during self-paced button pressing (here of participant 1 for illustration) were reliably localized in the primary motor cortex (M1, Brodman area 4) irrespective of the absence (a) or presence of electric stimulation (b). In (b) electric stimulation was applied by a radiotranslucent, non-ferrous electrode placed over M1.
