The longitudinal course of thought disorder in geriatric patients with chronic schizophrenia

Christopher R. Bowie, Irene Tsapelas, Joseph Friedman, Michael Parrella, Leonard White, Philip D. Harvey

Research output: Contribution to journalArticle

24 Scopus citations

Abstract

Objective: This study longitudinally assessed previously validated dimensions of thought disorder-verbal underproductivity and disconnection-in geriatric schizophrenia and replicated previous cross-sectional differences in communication disorders. Method: Two hundred twenty patients with chronic schizophrenia were assessed with the Thought, Language, and Communication Scale over a mean follow-up period of 2.3 years. Results: Patients had increases in verbal underproductivity but stable scores on disconnection over the follow-up period. Worsening in verbal underproductivity was associated with concurrent worsening in Mini-Mental State Examination scores and older age at baseline. Conclusions: Verbal underproductivity worsens with aging and is associated with cognitive worsening, although disconnected speech is relatively stable. Some geriatric patients with schizophrenia may lose the skills necessary to report symptoms, leading to the impression that their clinical status is improving.

Original languageEnglish (US)
Pages (from-to)793-795
Number of pages3
JournalAmerican Journal of Psychiatry
Volume162
Issue number4
DOIs
StatePublished - Apr 2005

ASJC Scopus subject areas

  • Psychiatry and Mental health

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