[Sensory and motor effects of thalamic stimulation in man. Clinical applications]

Human thalamus exploration was performed using stereotactic electrodes in ranks of two millimetres following three trajectories at two millimetres' intervals in the same sagittal plane. Stimuli were applied alternately with tracing recordings. Characteristics of the various thalamic systems were defined under normal and pathological (deafferentation of thalamus, dyskinesia) conditions. Therapeutic applications of this topographical analysis of thalamus are discussed.