The concepts of attachment and bonding.
D002675:Child, Preschool; D003243:Consciousness; D003423:Critical Period, Psychological; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D008425:Maternal Behavior; D009034:Mother-Child Relations; D009769:Object Attachment; D011247:Pregnancy; D011574:Psychoanalytic Theory; D012306:Risk; D014110:Touch