The goal and structure of mother-infant play.
D000367:Age Factors; D001143:Arousal; D001288:Attention; D005149:Facial Expression; D005260:Female; D006040:Goals; D006801:Humans; D007223:Infant; D008425:Maternal Behavior; D009034:Mother-Child Relations; D009042:Motivation; D009068:Movement; D010988:Play and Playthings; D012919:Social Behavior; D013060:Speech