Libidinal object constancy and mental representation.
D001766:Blindness; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003071:Cognition; D004532:Ego; D005260:Female; D006212:Hallucinations; D006801:Humans; D007092:Imagination; D007989:Libido; D008568:Memory; D009034:Mother-Child Relations; D009769:Object Attachment