Can neurobiological pathogenic mechanisms of depression facilitate the development of seizure disorders?

Research output: Contribution to journalReview article

72 Scopus citations

Abstract

People with epilepsy have a high risk of developing depressive disorders, and people with primary depressive disorders have a high risk of developing epilepsy. Furthermore, a lifetime history of depressive disorders has been associated with a poor response of the seizure disorder to pharmacotherapy and epilepsy surgery. The aim of this Review is to identify the principal neurobiological pathogenic mechanisms of depressive disorders with the potential to facilitate the epileptogenic process or cortical hyperexcitability in experimental animal studies or those that can aggravate known pathogenic mechanisms of epilepsy in human beings. These mechanisms include (1) a hyperactive hypothalamic-pituitary-adrenal axis; (2) structural and functional abnormalities of cortical structures; (3) increased glutamatergic and decreased GABAergic and serotonergic activity; and (4) immunological abnormalities. The data presented in this Review provide experimental evidence that might begin to explain the bidirectional relation between depressive disorders and epilepsy and that can be regarded as a source for future research.

Original languageEnglish (US)
Pages (from-to)1093-1102
Number of pages10
JournalThe Lancet Neurology
Volume11
Issue number12
DOIs
StatePublished - Dec 1 2012
Externally publishedYes

ASJC Scopus subject areas

  • Clinical Neurology

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