Early ictal recruitment of midline thalamus in mesial temporal lobe epilepsy.

Abstract:

:The causal role of midline thalamus in the initiation and early organization of mesial temporal lobe seizures is studied. Three patients undergoing stereoelectroencephalography were enrolled for the placement of an additional depth electrode targeting the midline thalamus. The midline thalamus was recruited in all three patients at varying points of seizure initiation (0-13 sec) and propagation (9-60 sec). Stimulation of either thalamus or hippocampus induced similar habitual seizures. Seizure-induced in the hippocampus rapidly recruited the thalamus. Evoked potentials demonstrated stronger connectivity from the hippocampus to the thalamus than in the opposite direction. The midline thalamus can be within the seizure initiation and symptomatogenic circuits.

journal_name

Ann Clin Transl Neurol

authors

Romeo A,Issa Roach AT,Toth E,Chaitanya G,Ilyas A,Riley KO,Pati S

doi

10.1002/acn3.50835

subject

Has Abstract

pub_date

2019-08-01 00:00:00

pages

1552-1558

issue

8

issn

2328-9503

journal_volume

6

pub_type

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