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A Behavioral Screen for Heat-Induced Seizures in Mouse Models of Epilepsy
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Febrile seizures and risk of schizophrenia

Mogens Vestergaard1, Carsten Bøcker Pedersen, Jakob Christensen

  • 1The Danish Epidemiology Science Centre, Department of Epidemiology and Social Medicine, University of Aarhus, Vennelyst Boulevard 6, building 260, DK-8000 Aarhus C, Denmark. mv@soci.au.dk

Schizophrenia Research
|January 18, 2005
PubMed

Insights

A history of febrile seizures slightly increases schizophrenia risk. This association may stem from brain damage, shared causes, or unmeasured factors, highlighting potential long-term neurological implications.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Epidemiology

Background:

  • Febrile seizures are typically benign but may impact the hippocampus, a brain region implicated in schizophrenia.
  • Neuroimaging and animal studies suggest a potential link between febrile seizures and hippocampal function.

Purpose of the Study:

  • To investigate the association between a history of febrile seizures and the subsequent risk of developing schizophrenia.
  • To explore potential etiological links between febrile seizures and schizophrenia.

Main Methods:

  • A large population-based cohort study in Denmark, including over 550,000 children born between 1977 and 1986.
  • Longitudinal follow-up until 2001 using nationwide registry data to identify schizophrenia diagnoses and febrile seizure history.

Main Results:

  • A history of febrile seizures was associated with a 44% increased risk of schizophrenia (RR=1.44).
  • This association persisted even when excluding individuals with a history of epilepsy.
  • A history of both febrile seizures and epilepsy showed a significantly higher risk of schizophrenia (RR=3.04).

Conclusions:

  • Individuals with a history of febrile seizures exhibit a slightly elevated risk of schizophrenia.
  • Potential explanations include direct brain damage from prolonged seizures, shared genetic or environmental factors, or unmeasured confounding variables.
Abstract

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