Directional recordings of somatosensory evoked potentials from the sensory thalamus in chronic poststroke pain patients

•A clear directionality of somatosensory evoked potentials recorded from segmented DBS leads in the sensory thalamus is observed.•This directional effect provides further evidence in support of the somatotopy of the sensory thalamus.•This may help identify the neurophysiological sweet spot in the possibly reorganized sensory thalamus in chronic pain patients.