Developmental observations of diadic gazing in relation to the fear of strangers and social approach behavior.
D000293:Adolescent; D000328:Adult; D002657:Child Development; D002675:Child, Preschool; D005133:Eye Movements; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008425:Maternal Behavior; D009034:Mother-Child Relations; D012929:Psychological Distance