Delusional Depression and Suicide

Masashi Hori*, Hiroyasu Shiraishi, Junzo Koizumi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)


Abstract: During the 12‐year period of retrospective observation, 38 cases of 93 major depressive inpatients were delusional and the remainders were nondelusional. We evaluated the differences on several variables, especially about suicide, between the two groups. The mean age at the onset of illness of delusional depressive patients was higher than that of nondelusional ones. The incidence of psychomotor retardation was lower in the former group than in the latter. The frequency of suicidal ideation and suicidal attempts were higher in the former group than the latter. The suicidal methods in the delusional depressives tended to be more active and violent than those in nondelusional depressives and were supposed to have a twofold mortality than those in the nondelusional ones. We discussed this high rate of suicides of delusional depression from the viewpoint of disinhibition of psychomotor retardation, chronicity, partial affinity of delusional depressives to schizophrenics and neuroendocrinological perspective.

Original languageEnglish
Pages (from-to)811-817
Number of pages7
JournalPsychiatry and Clinical Neurosciences
Issue number4
Publication statusPublished - 1993 Dec
Externally publishedYes


  • delusional depression
  • suicidal methods
  • suicide

ASJC Scopus subject areas

  • General Neuroscience
  • Neurology
  • Clinical Neurology
  • Psychiatry and Mental health


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