The relationship between amount of stimulation in infancy and subsequent emotionality.
D000818:Animals; D001362:Avoidance Learning; D001522:Behavior, Animal; D003259:Consummatory Behavior; D003423:Critical Period, Psychological; D003672:Defecation; D004597:Electroshock; D004644:Emotions; D005260:Female; D006234:Handling, Psychological; D007858:Learning; D008297:Male; D011582:Psychological Theory; D051381:Rats; D012201:Reward