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Hyperkinetic motor seizures: a common semiology generated by two different cortical seizure origins Volume 19, numéro 3, September 2017

Figure 1

SEEG implantation and the two different ictal onsets recorded in the patient. (A) Seizure starts from the right temporal polar cortex by a rapid discharge (*) before the emergence of clinical semiology. (B) Seizure starting from the left temporal region (firstly from the temporal gyrus) and then the fronto-opercular region. The pattern here is different with changes first appearing at the T’ electrodes (*) and then involving the left orbito-frontal region (OR’, **) and the left opercular cortex (OF’). The ictal hyperkinetic sequence is delayed following seizure onset.

Figure 2

Sequences of hyperkinetic signs for the two types of seizures (lasting for 30 seconds) with (A) right temporo-polar onset and (B) left temporo-perisylvian onset.