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Related Experiment Videos

Psychiatric presentations of epilepsy

P W Tisher1, J C Holzer, M Greenberg

  • 1Medical Center of Central Massachusetts, Worcester, Mass., USA.

Harvard Review of Psychiatry
|November 1, 1993
PubMed
Summary

Epilepsy-related abnormal neuronal excitability can cause behavioral changes mimicking psychiatric disorders. Understanding temporal and frontolimbic functions clarifies these epilepsy-induced psychiatric syndromes.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Epileptology

Background:

  • Abnormal neuronal excitability in seizure disorders can lead to behavioral alterations.
  • These changes may manifest during ictal (seizure) or interictal (between seizures) periods.

Observation:

  • Epilepsy can present with behaviors resembling primary psychiatric illnesses such as schizophrenia, mood disorders, panic disorder, and dissociative disorders.
  • Case descriptions illustrate these complex behavioral presentations.

Findings:

  • Behavioral changes are linked to the origin of partial seizures, particularly in the temporal or frontal lobes.
  • Chronic temporolimbic seizure discharges are associated with interictal behavioral alterations.

Implications:

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  • Examining the functions of temporal and frontolimbic structures helps elucidate epilepsy-induced psychiatric syndromes.
  • Clinical presentations of epilepsy may offer insights into the causes of primary psychiatric disorders.