The relationship between mother-infant contact and later differentiation of the social environment.
D000293:Adolescent; D000328:Adult; D002648:Child; D002657:Child Development; D002668:Child Rearing; D002675:Child, Preschool; D003431:Cross-Cultural Comparison; D005260:Female; D005639:Frustration; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007398:Interpersonal Relations; D007802:Language; D008037:Linguistics; D008297:Male; D009034:Mother-Child Relations; D011574:Psychoanalytic Theory; D012737:Sex Factors; D012919:Social Behavior; D012931:Social Environment; D009626:Terminology as Topic; D013803:Thematic Apperception Test