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
Neurologyjournal_title
Neurologyauthors
Fromm GH,Glass JD,Chattha AS,Martinez AJ,Silverman Mdoi
10.1212/wnl.30.2.126subject
Has Abstractpub_date
1980-02-01 00:00:00pages
126-31issue
2eissn
0028-3878issn
1526-632Xjournal_volume
30pub_type
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