Delirium: Definition, epidemiology, and diagnosis

Karin J. Neufeld, Christine Thomas

Research output: Contribution to journalReview articlepeer-review

37 Scopus citations


This article serves to (1) review the relationship of the terms "delirium" and "encephalopathy," (2) describe delirium as defined in current diagnostic systems, (3) summarize the epidemiology and theories of pathogenesis, (4) review clinical diagnostic approaches, and (5) highlight the history using EEG in the study of delirium in the psychiatric literature. Delirium is an important medical syndrome with significant implications; there is continued need for better physiologic measures of the underlying brain dysfunction.

Original languageEnglish (US)
Pages (from-to)438-442
Number of pages5
JournalJournal of Clinical Neurophysiology
Issue number5
StatePublished - Oct 2013


  • Delirium
  • Diagnosis
  • EEG
  • Encephalopathy
  • Epidemiology

ASJC Scopus subject areas

  • Physiology
  • Neurology
  • Clinical Neurology
  • Physiology (medical)


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