The kindled seizure: Production of and modification by dieldrin in rats

R. M. Joy, L. G. Stark, S. L. Peterson, J. F. Bowyer, T. E. Albertson

Research output: Contribution to journalArticle

24 Scopus citations

Abstract

In the rat dieldrin can evoke a progressive increase in the severity of convulsive responses (kindling) during repetitive exposures that cannot be attributed to simple accumulation of dieldrin in the brain. It can also replace pentylenetetrazol as a kindling stimulus in previously pentylenetetrazol-kindled rats (cross-kindling). Chronic exposure to dieldrin facilitates kindling produced by daily electrical stimulation of the amygdala. Even single, acute exposure, can facilitate kindling produced by electrical stimulation of the amygdala, 1 to 3 weeks later. We propose that the procedure of kindling is a useful one with which to assess neurotoxicity. Agents affecting kindling in laboratory animals are of particular concern to those individuals in a population with demonstrable seizure susceptibility, those predisposed to convulsive disorders and others vulnerable to increased levels of CNS excitability.

Original languageEnglish (US)
Pages (from-to)117-124
Number of pages8
JournalNeurobehavioral Toxicology and Teratology
Volume2
Issue number2
StatePublished - 1980

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Toxicology
  • Embryology

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