In vivo study indicating loss of intracortical inhibition in tumor-associated epilepsy.

Abstract:

:Transcranial magnetic stimulation was performed in 2 patients with focal motor seizures in the right hand caused by a circumscribed tumor process affecting the left precentral gyrus. In both cases, paired-pulse transcranial magnetic stimulation showed a loss of intracortical inhibition for interstimulus intervals of 2 to 4msec that was replaced by an enormous facilitation in the lesioned hand motor cortex. The uniform impairment of inhibitory mechanisms in epileptogenic tumors with different histologies suggests a common, nonspecific cause of tumor-related epileptogenesis.

journal_name

Ann Neurol

journal_title

Annals of neurology

authors

Irlbacher K,Brandt SA,Meyer BU

doi

10.1002/ana.10229

keywords:

subject

Has Abstract

pub_date

2002-07-01 00:00:00

pages

119-22

issue

1

eissn

0364-5134

issn

1531-8249

journal_volume

52

pub_type

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