title: Loneliness and narcissism.
mesh_terms: D002657:Child Development; D005619:Freudian Theory; D006801:Humans; D008132:Loneliness; D009289:Narcissism; D011502:Protein-Energy Malnutrition / Q000523:psychology; D011574:Psychoanalytic Theory; D012683:Sensory Deprivation; D012934:Social Isolation