Behaviour of male and female rats with free choice of two environments differing in novelty.
D000818:Animals; D004192:Discrimination, Psychological; D004326:Drinking; D004435:Eating; D004777:Environment; D005106:Exploratory Behavior; D005260:Female; D006120:Grooming; D008124:Locomotion; D008297:Male; D051381:Rats; D012737:Sex Factors