Bidirectional transhemispheric interaction between amygdaloid kindling induced by excitatory amino acids and electrical stimulation.

Abstract:

:Using transhemispheric transfer and post-transfer interference as specific measures, the relationship between chemical and electrical kindling at the amygdala (AM) in rats was examined. Chemical kindling was accomplished by repeated injections of a subconvulsive dose of combined L-glutamate (GLU) and L-aspartate (ASP) in a molar ratio of 1:3 (GLU 0.375 microM:ASP 1.125 microM). Strong bidirectional transhemispheric transfer between electrical and chemical kindling occurred at the secondary-site AM. In addition, at the primary-site retest, bidirectional posttransfer interference between electrical and chemical kindling was observed. These findings strongly suggest that endogenous GLU/ASP participates in the transsynaptic changes which are presumed to underlie the kindling phenomenon.

journal_name

Epilepsia

journal_title

Epilepsia

authors

Mori N,Wada JA

doi

10.1111/j.1528-1157.1989.tb05298.x

subject

Has Abstract

pub_date

1989-05-01 00:00:00

pages

271-5

issue

3

eissn

0013-9580

issn

1528-1167

journal_volume

30

pub_type

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