Ontogenetic changes in the effectiveness of home nest odor as a conditioned stimulus.
D000375:Aging; D000818:Animals; D001362:Avoidance Learning; D002755:Choice Behavior; D003213:Conditioning, Psychological; D003463:Cues; D005260:Female; D008297:Male; D051381:Rats; D011919:Rats, Inbred Strains; D012153:Retention, Psychology; D012903:Smell; D012931:Social Environment