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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
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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
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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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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
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Siniatchkin, Michael; Groppa, Sergey; Jerosch, Bettina; Muhle, Hiltrud; Kurth, Christoph; Shepherd, Alex J.; Siebner, Hartwig; Stephani, Ulrich – Brain, 2007
Photosensitivity or photoparoxysmal response (PPR) is a highly heritable electroencephalographic trait characterized by an abnormal cortical response to intermittent photic stimulation (IPS). In PPR-positive individuals, IPS induces spikes, spike-waves or intermittent slow waves. The PPR may be restricted to posterior visual areas (i.e. local PPR…
Descriptors: Females, Stimulation, Seizures, Medicine
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
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Ballantyne, Angela O.; Spilkin, Amy M.; Hesselink, John; Trauner, Doris A. – Brain, 2008
The developing brain has the capacity for a great deal of plasticity. A number of investigators have demonstrated that intellectual and language skills may be in the normal range in children following unilateral perinatal stroke. Questions have been raised, however, about whether these skills can be maintained at the same level as the brain…
Descriptors: Neurological Impairments, Seizures, Intelligence Quotient, Brain
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
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
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Shaw, P.; Lawrence, E. J.; Radbourne, C.; Bramham, J.; Polkey, C. E.; David, A. S. – Brain, 2004
There is a burgeoning interest in the neural basis of the ability to attribute mental states to others; a capacity referred to as "theory of mind" (ToM). We examined the effects of lesions of the amygdala which arise at different stages of development on this key aspect of social cognition. Tests of ToM, executive and general neuropsychological…
Descriptors: Thinking Skills, Theory of Mind, Intelligence, Seizures
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