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Objective
Focal cortical dysplasia (FCD) is the most common etiology of surgically‐remediable epilepsy in children. Eighty‐seven percent of patients with FCD develop epilepsy (75% is pharmacoresistant epilepsy [PRE]). Focal to bilateral tonic–clonic (FTBTC) seizures are associated with worse surgical outcomes. We hypothesized that children with FCD‐related epilepsy with FTBTC seizures are more likely...
Objective
Reorganization of the language network from typically left‐lateralized frontotemporal regions to bilaterally distributed or right‐lateralized networks occurs in anywhere from 25%–30% of patients with focal epilepsy. In patients who have been recently diagnosed with epilepsy, an important question remains as to whether it is the presence of seizures or the underlying epilepsy etiology that...
Objective
This study was undertaken to identify shared functional network characteristics among focal epilepsies of different etiologies, to distinguish epilepsy patients from controls, and to lateralize seizure focus using functional connectivity (FC) measures derived from resting state functional magnetic resonance imaging (MRI).
Methods
Data were taken from 103 adult and 65 pediatric focal epilepsy...
Objective
Drug‐resistant focal epilepsy is often caused by focal cortical dysplasias (FCDs). The distribution of these lesions across the cerebral cortex and the impact of lesion location on clinical presentation and surgical outcome are largely unknown. We created a neuroimaging cohort of patients with individually mapped FCDs to determine factors associated with lesion location and predictors of...
Objective
We aimed to predict language deficits after epilepsy surgery. In addition to evaluating surgical factors examined previously, we determined the impact of the extent of functional magnetic resonance imaging (fMRI) activation that was resected on naming ability.
Method
Thirty‐five adults (mean age 37.5 ± 10.9 years, 13 male) with temporal lobe epilepsy completed a preoperative fMRI auditory...
ObjectiveFunctional magnetic resonance imaging (fMRI) activation of the mesial temporal lobe (MTL) may be important for epilepsy surgical planning. We examined MTL activation and lateralization during language fMRI in children and adults with focal epilepsy.
MethodsOne hundred forty‐two controls and patients with left hemisphere focal epilepsy (pediatric: epilepsy, n = 17, mean age = 9.9 ± 2.0; controls,...
ObjectiveFunctional connectivity (FC) among language regions is decreased in adults with epilepsy compared to controls, but less is known about FC in children with epilepsy. We sought to determine if language FC is reduced in pediatric epilepsy, and examined clinical factors that associate with language FC in this population.
MethodsWe assessed FC during an age‐adjusted language task in children...
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