title: Cephalic skin potentials in electroencephalography.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D001143:Arousal; D001285:Atropine / Q000494:pharmacology; D003265:Contingent Negative Variation; D004569:Electroencephalography; D004594:Electrophysiology; D006801:Humans; D007478:Iontophoresis; D011930:Reaction Time; D012535:Scalp; D012867:Skin / Q000294:innervation*; D013546:Sweating
chemical_list: D001285:Atropine