Early experience, ultrasonic vocalizations, and maternal responsiveness in rats.
D000375:Aging; D000818:Animals; D000831:Animals, Newborn / Q000502:physiology*; D001831:Body Temperature; D003080:Cold Temperature; D005106:Exploratory Behavior; D005247:Feeding Behavior; D005260:Female; D006234:Handling, Psychological; D008425:Maternal Behavior; D009043:Motor Activity; D009425:Nesting Behavior; D011187:Posture; D013312:Stress, Physiological; D013997:Time Factors; D014465:Ultrasonics; D014828:Vocalization, Animal