The antipsychotic effects of ECT: A review of possible mechanisms

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37 Scopus citations


OBJECTIVES: Electroconvulsive therapy (ECT) exhibits demonstrable effectiveness for psychotic symptoms associated with a broad range of neuropsychiatric conditions. However, the mechanism remains poorly understood particularly with regard to antipsychotic effects. METHODS: We examined studies of ECT in schizophrenia and mood disorders, as well as from animal models of psychotic disorders, and compared the results to those of antipsychotic medications. This review focuses on 3 potential domains of exploration of ECT's antipsychotic effects: dopamine and serotonin neurotransmitter activity, neurotrophic effects, and immune system modulation. RESULTS: Preliminary results support a putative role for all three of these domains but are limited by a lack of replicated findings, including negative studies. CONCLUSIONS: A comparison of the neurophysiologic and molecular properties of antipsychotic drugs and ECT reveals some overlap, but there are also distinctive differences; and the significance of these findings remains uncertain.

Original languageEnglish (US)
Pages (from-to)125-131
Number of pages7
JournalJournal of ECT
Issue number2
StatePublished - Jun 2014


  • Antipsychotic drugs
  • Brain-derived neurotrophic factor
  • Cytokines
  • ECT
  • Mechanism of action

ASJC Scopus subject areas

  • Neuroscience (miscellaneous)
  • Psychiatry and Mental health


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