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ObjectiveTo identify the brain networks that are involved in the different electroencephalography (EEG) abnormalities in patients with ring chromosome 20 [r(20)] syndrome. We hypothesize the existence of both distinctive and common brain circuits for the paroxysmal high voltage sharp waves (hSWs), the seizures, and the slow‐wave 3–7 Hz rhythm that characterize this condition.
MethodsThirteen patients...
ObjectiveA prerequisite for the implementation of interictal electroencephalography–correlated functional magnetic resonance imaging (EEG‐fMRI) in the presurgical work‐up for epilepsy surgery is straightforward processing. We propose a new semi‐automatic method as alternative for the challenging and time‐consuming visual spike identification.
MethodsOur method starts from a patient‐specific spike‐template,...
Objective
Epilepsy is increasingly recognized as a network disorder, but the spatial relationship between ictal and interictal networks is still largely unexplored. In this work, we compared hemodynamic changes related to seizures and interictal spikes on a whole brain scale.
Methods
Twenty‐eight patients with refractory focal epilepsy (14 temporal and 14 extratemporal lobe) underwent both subtraction...
ObjectiveEpilepsy is increasingly considered as the dysfunction of a pathologic neuronal network (epileptic network) rather than a single focal source. We aimed to assess the interactions between the regions that comprise the epileptic network and to investigate their dependence on the occurrence of interictal epileptiform discharges (IEDs).
MethodsWe analyzed resting state simultaneous electroencephalography–functional...
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