2/21/2023 0 Comments Types of seizures and durationsTonic seizures cause increased muscle tone and muscle stiffness. The most common types of seizures associated with Lennox-Gastaut syndrome are tonic and atonic seizures. As affected individuals grow older, the types and frequency of seizure activity may change. Most affected individuals experience multiple types of seizures, multiple times throughout the day. Multiple types of seizures, which are basically electrical disturbances in the brain, affect children with Lennox-Gastaut syndrome. The symptoms of Lennox-Gastaut syndrome usually begin during infancy or childhood, most often between 3 to 5 years of age. Epileptic encephalopathies are a group of disorders in which seizure activity leads to progressive cognitive dysfunction. The International League Against Epilepsy (ILAE) Task Force most recently classified the disorder as an epileptic encephalopathy. Generally, three findings are necessary for the diagnosis: multiple generalized seizure types a slow spike-and-wave pattern (less than 2.5 Hz) on EEG and cognitive dysfunction. There is no consensus in the medical literature on the exact definition of Lennox-Gastaut syndrome. Research is ongoing to identify and assess new therapies for Lennox-Gastaut syndrome. Lennox-Gastaut syndrome can be difficult to treat because it is resistant (refractory) to many kinds of antiseizure medications. Lennox-Gastaut syndrome can be caused by a variety of underlying conditions, but in some cases no cause can be identified. Children with Lennox-Gastaut syndrome may also develop cognitive dysfunction, delays in reaching developmental milestones and behavioral problems. Affected children experience several different types of seizures most commonly atonic, tonic and atypical absence seizures. Lennox-Gastaut syndrome (LGS) is a severe form of epilepsy that typically becomes apparent during infancy or early childhood.
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