title: Cortical correlates of vigilance regulation and their use in evaluating the effects of treatment.
mesh_terms: D000368:Aged; D000375:Aging; D001143:Arousal / Q000187:drug effects / Q000502:physiology*; D002540:Cerebral Cortex / Q000187:drug effects / Q000502:physiology*; D003201:Computers; D004088:Dihydroergotoxine / Q000627:therapeutic use*; D004569:Electroencephalography; D005071:Evoked Potentials / Q000187:drug effects; D006801:Humans; D008875:Middle Aged
chemical_list: D004088:Dihydroergotoxine