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Results of the group analysis showing the activated areas in the somatosensory cortex at 4 Hz electrical stimulation superimposed onto axial and coronal sections of an individual brain. Top, axial view: activation occurring in contralateral SI (left) and bilateral SII (right). Bottom, coronal view (left): activation occurring in contralateral SI and bilateral SII; axial view (right): activation occurring in bilateral insula.
