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Direct linkSillanpaa, Matti; Schmidt, Dieter – Brain, 2012
Given the grave morbidity and mortality of drug-resistant epilepsy, it is of great clinical interest to determine how often prior proven drug-resistant epilepsy is reversible without surgery and whether remission can be predicted by clinical features in children with incident drug-resistant epilepsy. We determined the likelihood of 1-, 2- and…
Descriptors: Epilepsy, Seizures, Surgery, Clinical Diagnosis
Liao, Yunxiang; Deprez, Liesbet; Maljevic, Snezana; Pitsch, Julika; Claes, Lieve; Hristova, Dimitrina; Jordanova, Albena; Ala-Mello, Sirpa; Bellan-Koch, Astrid; Blazevic, Dragica; Schubert, Simone; Thomas, Evan A.; Petrou, Steven; Becker, Albert J.; De Jonghe, Peter; Lerche, Holger – Brain, 2010
Many idiopathic epilepsy syndromes have a characteristic age dependence, the underlying molecular mechanisms of which are largely unknown. Here we propose a mechanism that can explain that epileptic spells in benign familial neonatal-infantile seizures occur almost exclusively during the first days to months of life. Benign familial…
Descriptors: Epilepsy, Seizures, Chemistry, Neonates
Woldbye, David P. D.; Angehagen, Mikael; Gotzsche, Casper R.; Elbrond-Bek, Heidi; Sorensen, Andreas T.; Christiansen, Soren H.; Olesen, Mikkel V.; Nikitidou, Litsa; Hansen, Thomas v. O.; Kanter-Schlifke, Irene; Kokaia, Merab – Brain, 2010
Gene therapy using recombinant adeno-associated viral vectors overexpressing neuropeptide Y in the hippocampus exerts seizure-suppressant effects in rodent epilepsy models and is currently considered for clinical application in patients with intractable mesial temporal lobe epilepsy. Seizure suppression by neuropeptide Y in the hippocampus is…
Descriptors: Reading Difficulties, Epilepsy, Seizures, Phonemic Awareness
Lucas, Marcella M.; Lenck-Santini, Pierre-Pascal; Holmes, Gregory L.; Scott, Rod C. – Brain, 2011
One of the most common and serious co-morbidities in patients with epilepsy is cognitive impairment. While early-life seizures are considered a major cause for cognitive impairment, it is not known whether it is the seizures, the underlying neurological substrate or a combination that has the largest impact on eventual learning and memory. Teasing…
Descriptors: Animals, Epilepsy, Mental Retardation, Seizures
Role of Subdural Electrocorticography in Prediction of Long-Term Seizure Outcome in Epilepsy Surgery
Asano, Eishi; Juhasz, Csaba; Shah, Aashit; Sood, Sandeep; Chugani, Harry T. – Brain, 2009
Since prediction of long-term seizure outcome using preoperative diagnostic modalities remains suboptimal in epilepsy surgery, we evaluated whether interictal spike frequency measures obtained from extraoperative subdural electrocorticography (ECoG) recording could predict long-term seizure outcome. This study included 61 young patients (age…
Descriptors: Epilepsy, Brain, Surgery, Prediction
Mbwana, J.; Berl, M. M.; Ritzl, E. K.; Rosenberger, L.; Mayo, J.; Weinstein, S.; Conry, J. A.; Pearl, P. L.; Shamim, S.; Moore, E. N.; Sato, S.; Vezina, L. G.; Theodore, W. H.; Gaillard, W. D. – Brain, 2009
Neural networks for processing language often are reorganized in patients with epilepsy. However, the extent and location of within and between hemisphere re-organization are not established. We studied 45 patients, all with a left hemisphere seizure focus (mean age 22.8, seizure onset 13.3), and 19 normal controls (mean age 24.8) with an fMRI…
Descriptors: Brain Hemisphere Functions, Epilepsy, Patients, Language Processing
Meador, Kimford J.; Baker, Gus A.; Browning, Nancy; Cohen, Morris J.; Clayton-Smith, Jill; Kalayjian, Laura A.; Kanner, Andres; Liporace, Joyce D.; Pennell, Page B.; Privitera, Michael; Loring, David W. – Brain, 2011
We previously reported that foetal valproate exposure impairs intelligence quotient. In this follow-up investigation, we examined dose-related effects of foetal antiepileptic drug exposure on verbal and non-verbal cognitive measures. This investigation is an ongoing prospective observational multi-centre study in the USA and UK, which has enrolled…
Descriptors: Epilepsy, Seizures, Intelligence Quotient, Preschool Children
Leventer, Richard J.; Jansen, Anna; Pilz, Daniela T.; Stoodley, Neil; Marini, Carla; Dubeau, Francois; Malone, Jodie; Mitchell, L. Anne; Mandelstam, Simone; Scheffer, Ingrid E.; Berkovic, Samuel F.; Andermann, Frederick; Andermann, Eva; Guerrini, Renzo; Dobyns, William B. – Brain, 2010
Polymicrogyria is one of the most common malformations of cortical development and is associated with a variety of clinical sequelae including epilepsy, intellectual disability, motor dysfunction and speech disturbance. It has heterogeneous clinical manifestations and imaging patterns, yet large cohort data defining the clinical and imaging…
Descriptors: Age, Epilepsy, Mental Retardation, Seizures
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
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
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