title: Nasopharyngeal phase reversal of cerebral evoked potentials and theoretical dipole implications.
mesh_terms: D000161:Acoustic Stimulation; D000328:Adult; D000368:Aged; D002540:Cerebral Cortex / Q000502:physiology*; D004566:Electrodes; D005071:Evoked Potentials; D006801:Humans; D008722:Methods; D008875:Middle Aged; D008954:Models, Biological; D009305:Nasopharynx; D010775:Photic Stimulation; D010812:Physical Stimulation; D012535:Scalp; D013003:Somatosensory Cortex / Q000502:physiology