title: The genesis of obsessional phenomena.
mesh_terms: D000328:Adult; D000374:Aggression; D002657:Child Development; D002675:Child, Preschool; D003192:Compulsive Behavior; D004325:Dreams; D005260:Female; D005639:Frustration; D006801:Humans; D007062:Identification, Psychological; D007323:Instinct; D009769:Object Attachment; D009771:Obsessive-Compulsive Disorder / Q000209:etiology*; D010287:Parent-Child Relations; D010553:Personality Development; D011573:Psychoanalytic Interpretation; D011574:Psychoanalytic Theory; D012043:Regression, Psychology; D012067:Religion; D013475:Superego