Rats prefer signaled reinforcing brain stimulation to unsignaled ESB.
D000818:Animals; D001522:Behavior, Animal; D001921:Brain / Q000502:physiology*; D003214:Conditioning, Classical; D003213:Conditioning, Psychological; D004558:Electric Stimulation; D004597:Electroshock; D008297:Male; D051381:Rats; D012054:Reinforcement, Psychology