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Objective
We aimed to describe the extent of neurodevelopmental impairments and identify the genetic etiologies in a large cohort of patients with epilepsy with myoclonic atonic seizures (MAE).
Methods
We deeply phenotyped MAE patients for epilepsy features, intellectual disability, autism spectrum disorder, and attention‐deficit/hyperactivity disorder using standardized neuropsychological instruments...
Objective
Pathogenic SLC6A1 variants were recently described in patients with myoclonic atonic epilepsy (MAE) and intellectual disability (ID). We set out to define the phenotypic spectrum in a larger cohort of SCL6A1‐mutated patients.
Methods
We collected 24 SLC6A1 probands and 6 affected family members. Four previously published cases were included for further electroclinical description. In...
The first mutations identified in SLC2A1, encoding the glucose transporter type 1 (GLUT1) protein of the blood–brain barrier, were associated with severe epileptic encephalopathy. Recently, dominant SLC2A1 mutations were found in rare autosomal dominant families with various forms of epilepsy including early onset absence epilepsy (EOAE), myoclonic astatic epilepsy (MAE), and genetic generalized epilepsy...
Herman Doose first described the generalized childhood epilepsy syndrome of myoclonic astatic epilepsy (MAE) in 1970, attributing a genetic cause from this first description. However, although the International League Against Epilepsy (ILAE) defined criteria for MAE in 1989, the diagnostic boundaries of the syndrome continue to be debated. Moreover, 40 years since Doose's first description of MAE,...
We describe three children with genetically different sodium channel alpha 1 subunit (SCN1A) mutation associated epilepsy who experienced a sudden and sustained neurologic regression following status epilepticus in two and acute sepsis in one. Neuroimaging showed evidence of cerebral ischemia in one, but the other two cases showed cerebellar signal abnormalities. The selectivity of cerebellar white...
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