title: GABA antagonism lowers self-stimulation thresholds in the ventral tegmental area.
mesh_terms: D000818:Animals; D018756:GABA Antagonists; D008297:Male; D009270:Naloxone / Q000494:pharmacology*; D010852:Picrotoxin / Q000494:pharmacology*; D051381:Rats; D012653:Self Stimulation / Q000187:drug effects*; D013681:Tegmentum Mesencephali / Q000187:drug effects / Q000502:physiology*
chemical_list: D018756:GABA Antagonists; D009270:Naloxone; D010852:Picrotoxin