title: Transitional phenomena: frequency, forms and functions of specially loved objects.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001290:Attitude; D002409:Cathexis; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D004532:Ego; D005260:Female; D005639:Frustration; D006801:Humans; D007223:Infant; D008297:Male; D008425:Maternal Behavior; D009034:Mother-Child Relations; D009769:Object Attachment; D012043:Regression, Psychology; D014886:Weaning