Common mechanisms of auditory hallucinations-perfusion studies in epilepsy

Psychiatry Res. 2013 Mar 30;211(3):268-70. doi: 10.1016/j.pscychresns.2012.06.007. Epub 2012 Nov 13.

Abstract

Auditory hallucinations (AH) occur in various neurological and psychiatric disorders. In psychosis, increased neuronal activity in the primary auditory cortex (PAC) contributes to AH. We investigated functional neuroanatomy of epileptic hallucinations by measuring cerebral perfusion in three patients with AH during simple partial status epilepticus. Hyperperfusion in the temporal lobe covering the PAC occurred in all patients. Our perfusion data support the hypothesis of PAC being a constituting element in the genesis of AH independent of their aetiology.

Publication types

  • Case Reports
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Aged
  • Brain Mapping
  • Cerebrovascular Circulation*
  • Electroencephalography
  • Epilepsy / complications*
  • Female
  • Hallucinations / etiology*
  • Humans
  • Middle Aged
  • Perfusion Imaging*
  • Retrospective Studies
  • Spin Labels
  • Temporal Lobe / physiopathology*

Substances

  • Spin Labels