Adaptation as a cause of apparent aversiveness of prolonged rewarding brain stimulation.
D000818:Animals; D001522:Behavior, Animal; D001921:Brain / Q000502:physiology*; D004558:Electric Stimulation; D004567:Electrodes, Implanted; D008297:Male; D011678:Punishment; D051381:Rats; D012201:Reward; D012653:Self Stimulation