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Direct linkBerg, Anne T.; Mathern, Gary W.; Bronen, Richard A.; Fulbright, Robert K.; DiMario, Francis; Testa, Francine M.; Levy, Susan R. – Brain, 2009
The epidemiology of lesions identified by magnetic resonance imaging (MRI), along with the use of pre-surgical evaluations and surgery in childhood-onset epilepsy patients has not previously been described. In a prospectively identified community-based cohort of children enrolled from 1993 to 1997, we examined (i) the frequency of lesions…
Descriptors: Epilepsy, Surgery, Children, Epidemiology
Sillanpaa, Matti; Schmidt, Dieter – Brain, 2008
To provide evidence of whether seizure clustering is associated with drug resistance and increased mortality in childhood-onset epilepsy, a prospective, long-term population-based study was performed. One hundred and twenty patients who had been followed since disease onset (average age 37.0 years, SD 7.1, median 40.0, range 11-42; incident cases)…
Descriptors: Epilepsy, Seizures, Patients, Drug Therapy
Takaya, Shigetoshi; Mikuni, Nobuhiro; Mitsueda, Takahiro; Satow, Takeshi; Taki, Junya; Kinoshita, Masako; Miyamoto, Susumu; Hashimoto, Nobuo; Ikeda, Akio; Fukuyama, Hidenao – Brain, 2009
The functional changes that occur throughout the human brain after the selective removal of an epileptogenic lesion remain unclear. Subtemporal selective amygdalohippocampectomy (SAH) has been advocated as a minimally invasive surgical procedure for patients with medically intractable mesial temporal lobe epilepsy (MTLE). We evaluated the effects…
Descriptors: Metabolism, Epilepsy, Surgery, Patients
Lesser, Ronald P.; Lee, Hyang Woon; Webber, W. R. S.; Prince, Barry; Crone, Nathan E.; Miglioretti, Diana L. – Brain, 2008
Patterns of responses in the cerebral cortex can vary, and are influenced by pre-existing cortical function, but it is not known how rapidly these variations can occur in humans. We investigated how rapidly response patterns to electrical stimulation can vary in intact human brain. We also investigated whether the type of functional change…
Descriptors: Stimulation, Surgery, Brain, Stimuli
Sillanpaa, Matti; Schmidt, Dieter – Brain, 2009
In clinical practice, it is important to predict as soon as possible after diagnosis and starting treatment, which children are destined to develop medically intractable seizures and be at risk of increased mortality. In this study, we determined factors predictive of long-term seizure and mortality outcome in a population-based cohort of 102…
Descriptors: Epilepsy, Seizures, Disability Identification, Children
Trebuchon-Da Fonseca, Agnes; Guedj, Eric; Alario, F-Xavier; Laguitton, Virginie; Mundler, Olivier; Chauvel, Patrick; Liegeois-Chauvel, Catherine – Brain, 2009
Word finding difficulties are often reported by epileptic patients with seizures originating from the language dominant cerebral hemisphere, for example, in temporal lobe epilepsy. Evidence regarding the brain regions underlying this deficit comes from studies of peri-operative electro-cortical stimulation, as well as post-surgical performance.…
Descriptors: Metabolism, Epilepsy, Semantics, Seizures
Bahi-Buisson, Nadia; Nectoux, Juliette; Rosas-Vargas, Haydee; Milh, Mathieu; Boddaert, Nathalie; Girard, Benoit; Cances, Claude; Ville, Dorothee; Afenjar, Alexandra; Rio, Marlene; Heron, Delphine; Morel, Marie Ange N'Guyen; Arzimanoglou, Alexis; Philippe, Christophe; Jonveaux, Philippe; Chelly, Jamel; Bienvenu, Thierry – Brain, 2008
Mutations in the human X-linked cyclin-dependent kinase-like 5 ("CDKL5") gene have been shown to cause infantile spasms as well as Rett syndrome (RTT)-like phenotype. To date, less than 25 different mutations have been reported. So far, there are still little data on the key clinical diagnosis criteria and on the natural history of…
Descriptors: Females, Genetics, Seizures, Epilepsy
Taylor, Isabella; Berkovic, Samuel F.; Kivity, Sara; Scheffer, Ingrid E. – Brain, 2008
The early and late benign occipital epilepsies of childhood (BOEC) are described as two discrete electro-clinical syndromes, eponymously known as Panayiotopoulos and Gastaut syndromes. Our aim was to explore the clinical features, classification and clinical genetics of these syndromes using twin and multiplex family studies to determine whether…
Descriptors: Genetic Disorders, Twins, Epilepsy, Children
Scheffer, Ingrid E.; Turner, Samantha J.; Dibbens, Leanne M.; Bayly, Marta A.; Friend, Kathryn; Hodgson, Bree; Burrows, Linda; Shaw, Marie; Wei, Chen; Ullmann, Reinhard; Ropers, Hans-Hilger; Szepetowski, Pierre; Haan, Eric; Mazarib, Aziz; Afawi, Zaid; Neufeld, Miriam Y.; Andrews, P. Ian; Wallace, Geoffrey; Kivity, Sara; Lev, Dorit; Lerman-Sagie, Tally; Derry, Christopher P.; Korczyn, Amos D.; Gecz, Jozef; Mulley, John C.; Berkovic, Samuel F. – Brain, 2008
Epilepsy and Mental Retardation limited to Females (EFMR) which links to Xq22 has been reported in only one family. We aimed to determine if there was a distinctive phenotype that would enhance recognition of this disorder. We ascertained four unrelated families (two Australian, two Israeli) where seizures in females were transmitted through…
Descriptors: Epilepsy, Mental Retardation, Females, Genetics
Towle, Vernon L.; Yoon, Hyun-Ah; Castelle, Michael; Edgar, J. Christopher; Biassou, Nadia M.; Frim, David M.; Spire, Jean-Paul; Kohrman, Michael H. – Brain, 2008
Electrocorticographic (ECoG) spectral patterns obtained during language tasks from 12 epilepsy patients (age: 12-44 years) were analyzed in order to identify and characterize cortical language areas. ECoG from 63 subdural electrodes (500 Hz/channel) chronically implanted over frontal, parietal and temporal lobes were examined. Two language tasks…
Descriptors: Speech Communication, Patients, Expressive Language, Receptive Language
Worrell, Greg A.; Parish, Landi; Cranstoun, Stephen D.; Jonas, Rachel; Baltuch, Gordon; Litt, Brian – Brain, 2004
Neocortical seizures are often poorly localized, explosive and widespread at onset, making them poorly amenable to epilepsy surgery in the absence of associated focal brain lesions. We describe, for the first time in an unselected group of patients with neocortical epilepsy, the finding that high-frequency (60--100 Hz) epileptiform oscillations…
Descriptors: Brain, Epilepsy, Seizures, Patients
Panayiotopoulos, Chrysostomos P.; Michael, Michael; Sanders, Sue; Valeta, Thalia; Koutroumanidis, Michael – Brain, 2008
A big advance in epileptology has been the recognition of syndromes with distinct aetiology, clinical and EEG features, treatment and prognosis. A prime and common example of this is rolandic epilepsy that is well known by the general paediatricians for over 50 years, thus allowing a precise diagnosis that predicts an excellent prognosis. However,…
Descriptors: Epilepsy, Seizures, Medicine, Child Development
D'Antuono, M.; Louvel, J.; Kohling, R.; Mattia, D.; Bernasconi, A.; Olivier, A.; Turak, B.; Devaux, A.; Pumain, R.; Avoli, M. – Brain, 2004
Patients with Taylor's type focal cortical dysplasia (FCD) present with seizures that are often medically intractable. Here, we attempted to identify the cellular and pharmacological mechanisms responsible for this epileptogenic state by using field potential and K[superscript +]-selective recordings in neocortical slices obtained from epileptic…
Descriptors: Brain, Epilepsy, Seizures, Neurological Impairments
Weintrob, David L.; Saling, Michael M.; Berkovic, Samuel F.; Reutens, David C. – Brain, 2007
Some patients considered for left temporal lobectomy for epilepsy present with normal verbal learning and no MRI evidence of hippocampal pathology. In order to preserve learning function, the surgical approach in these cases often aims at sparing the hippocampus. Parahippocampal structures, including the left perirhinal region, however, also…
Descriptors: Patients, Pathology, Associative Learning, Word Lists
Arts, Willem F. M.; Brouwer, Oebele F.; Peters, A. C. Boudewijn; Stroink, Hans; Peeters, Els A. J.; Schmitz, Paul I. M.; van Donselaar, Cees A.; Geerts, Ada T. – Brain, 2004
Knowing the prognosis of epilepsy will undoubtedly influence the treatment strategy. This study aimed to define the prospects of newly diagnosed childhood epilepsy, assess the dynamics of its course, identify relevant variables and develop models to assess the individual prognosis. Four hundred and fifty-three children with newly diagnosed…
Descriptors: Epilepsy, Children, Seizures, Outcomes of Treatment
