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This study compared MRI cerebral volumes and Neuronal-Nuclei (NeuN) cell densities in pediatric epilepsy surgery patients with cortical dysplasia (CD; n = 25) and hemimegalencephaly (HME; n = 14). Our purpose was to deduce possible mechanisms of pathogenesis and epileptogenesis based on an understanding of normal developmental corticoneurogenesis. We used(More)
In paediatric epilepsy surgery patients with hemimegalencephaly (HME; n = 23), this study compared clinical, neuroimaging and pathologic features to discern potential mechanisms for suboptimal post-hemispherectomy developmental outcomes and structural pathogenesis. MRI measured affected and non-affected cerebral hemisphere volumes for HME and non-HME cases,(More)
In epilepsy patients with cortical dysplasia (CD), this study determined the probable ontogenetic timing of pathogenesis based on the number, location and appearance of neurons. Magnetic resonance imaging (MRI) determined gray and white matter volumes of affected and non-affected cerebral hemispheres, and gray and white matter neuronal-nuclear protein(More)
Huntington's disease (HD) is a late-onset, slowly progressing neurodegenerative disorder caused by an expansion of glutamine repeats. The YAC128 mouse model has been widely used to study the progression of HD symptoms, but little is known about synaptic alterations in very old animals. The present experiments examined synaptic properties of striatal(More)
Agonists at dopamine D2 and D3 receptors are important therapeutic agents in the treatment of Parkinson's disease. Compared with the use of agonists, allosteric potentiators offer potential advantages such as temporal, regional, and phasic potentiation of natural signaling, and that of receptor subtype selectivity. We report the identification of a(More)
Huntington's disease (HD) is a late-onset, slowly progressing neurodegenerative disorder caused by an expansion of glutamine repeats. The YAC128 mouse model has been widely used to study the progression of HD symptoms, but little is known about synaptic alterations in very old animals. The present experiments examined synaptic properties of striatal(More)
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