Stienen, Peter J Vertex-recorded, rather than primary somatosensory cortex-recorded, somatosensory-evoked potentials signal unpleasantness of noxious stimuli in the rat. [electronic resource] - Brain research bulletin Jul 2006 - 203-12 p. digital Publication Type: Journal Article ISSN: 0361-9230 Standard No.: 10.1016/j.brainresbull.2006.06.003 doi Subjects--Topical Terms: Analgesics, Opioid--pharmacologyAnimalsConditioning, Classical--physiologyDose-Response Relationship, DrugElectroencephalography--drug effectsEvoked Potentials, Auditory--drug effectsEvoked Potentials, Somatosensory--drug effectsFear--physiologyFentanyl--pharmacologyMalePain--physiopathologyRatsRats, Wistar