Behavioural responses to cerebellar stimulation in cerebral palsy.

Stereotactic placement of stimulating electrodes (TESLA) into deep regions of the cerebellum (Fischer instruments) was analyzed in respect to its organization into sagittaly oriented zones. This was done after imaging of the trajectory and target area and verification of the position of electrodes by CT (Siemens). A correlation was observed between the position of the stimulating electrode from the midline laterally and localization of induced responses on the body--from bilateral to ipsilateral. The combination of deep cerebellar stimulation and destructive method in the supratentorial region could be the optimal approach to relieve spasticity and to improve motor function in some cases of cerebral palsy.