Self-stimulation: failure of pretrial stimulation to affect rats' electrode preference.
D000818:Animals; D004327:Drinking Behavior; D004328:Drive; D004566:Electrodes; D004864:Equipment and Supplies; D005247:Feeding Behavior; D005625:Frontal Lobe / Q000502:physiology; D007031:Hypothalamus / Q000502:physiology; D008124:Locomotion; D008297:Male; D051381:Rats; D012653:Self Stimulation; D012726:Sexual Behavior, Animal; D013997:Time Factors