Development of synchrony in mother-infant interaction in feeding and other situations.
D001722:Birth Order; D001903:Bottle Feeding; D001942:Breast Feeding; D005247:Feeding Behavior; D005260:Female; D006234:Handling, Psychological; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D009034:Mother-Child Relations; D010298:Parity; D012737:Sex Factors; D013391:Sucking Behavior; D013997:Time Factors