Antiabsence drugs and inhibitory pathways.

Abstract:

:Conditioning stimuli to the coronal gyrus or periventricular gray matter inhibit the activity of spinal trigeminal neurons. Valproate decreased the corticofugal inhibition of the spinal trigeminal nucleus, as did ethosuximide, trimethadione, and imipramine. Valproate and ethosuximide also decreased the periventricular inhibition of the spinal trigeminal nucleus, indicating that antiabsence drug depress subcortical inhibitory pathways as well as pathways of cortical origin. These results support the hypothesis that ability to depress inhibitory pathways is an important characteristic of antiabsence drugs. The effect of valproate and ethosuximide on periventricular inhibition also suggests that these anticonvulsants may act by preventing the spread of seizure activity through subcortical pathways.

journal_name

Neurology

journal_title

Neurology

authors

Fromm GH,Glass JD,Chattha AS,Martinez AJ,Silverman M

doi

10.1212/wnl.30.2.126

subject

Has Abstract

pub_date

1980-02-01 00:00:00

pages

126-31

issue

2

eissn

0028-3878

issn

1526-632X

journal_volume

30

pub_type

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