title: The mutative object. A contribution to the theory of object relationships.
mesh_terms: D001010:Anxiety, Separation / Q000209:etiology; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003071:Cognition; D004192:Discrimination, Psychological; D005260:Female; D006801:Humans; D007100:Imitative Behavior; D007223:Infant; D008137:Longitudinal Studies; D008297:Male; D009034:Mother-Child Relations; D009769:Object Attachment; D012653:Self Stimulation