Anatomical location of the corticospinal tract according to somatotopies in the centrum semiovale

► We investigated the somatotopic location of the corticospinal tract in the centrum semiovale. ► Hand somatotopy was located at about 26 mm lateral to the midline. ► It was located almost along the horizon line between the medial end of central sulcus and midline. ► Leg somatotopy was located medioposteriorly to the hand somatotopy.