Differential responding in a three choice maze controlled by three drug states.
D000818:Animals; D001285:Atropine / Q000494:pharmacology*; D004597:Electroshock; D004924:Escape Reaction / Q000187:drug effects*; D008297:Male; D010634:Phenobarbital / Q000494:pharmacology*; D011340:Problem Solving / Q000187:drug effects*; D011600:Psychopharmacology; D051381:Rats
D001285:Atropine; D010634:Phenobarbital