title: Psychological alienation: isolation and self-estrangement.
mesh_terms: D004532:Ego; D006801:Humans; D007398:Interpersonal Relations; D007439:Introversion, Psychological; D011582:Psychological Theory; D012557:Schizoid Personality Disorder / Q000175:diagnosis / Q000209:etiology; D012559:Schizophrenia / Q000209:etiology; D012565:Schizophrenic Psychology; D012649:Self Concept; D012918:Social Alienation; D012919:Social Behavior; D012928:Social Desirability; D012934:Social Isolation