2306621

The central medial nucleus: thalamic site of seizure regulation.

Article date: 1990/2/5

PubMed ID: 2306621

Journal name: Brain research (ISSN: 0006-8993)

ABSTRACT

This study demonstrates that the central medial intralaminar nucleus (CeM) controls generalized seizure threshold and expression, and that these functions are under gamma-aminobutyric acid (GABA)ergic control, with significant differences between receptor subtypes. Injections of the GABAA-agonist piperidine-4-sulfonic acid and the GABAB-agonist (-)baclofen in the CeM markedly facilitated myoclonic and clonic seizures, but had different effects on tonic seizures. These results are best explained by the concept that the CeM is not a site of seizure origin or spread but rather regulates other structures involved in seizures.

This document is available from: http://directlinks.cc/files/muscimol/2306621.pdf

Author List: Miller J W, Ferrendelli J A

Publication Types: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.

Substances mentioned in the article: Muscimol; Baclofen; Bicuculline;

Mesh terms: Animals; Baclofen/pharmacology; Bicuculline; Dose-Response Relationship, Drug; Female; Muscimol/pharmacology; Rats; Rats, Inbred Strains; Seizures/chemically induced; Thalamic Nuclei/drug effects;

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