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Typical absence seizures are uncommon. Their separation from daydreaming is
clinical. Absence seizures totally interrupt activities in which the child is
engaged for several seconds .Atypical and complex absence seizures may have in
addition clonic, tonic, or automatic movements and an altered sensorium before
or after. EEG shows a typical 3/sec spike and wave discharge .
Epilepsy in children has also been classified by syndrome . Using the age
at onset of the seizures, cognitive development, and neurologic examination,
description of the seizure type and the EEG findings including the backround
rhythm , it has been possible to classify approximately 50 % of childhood
seizures into specific syndromes. Examples of epilepsy syndromes include:
- Infantile spasms ( West syndrome )
- Benign myoclonic epilepsy of infancy
- Lennox - Gastaut syndrome
- Febrile convulsions
- Landau - Kleffner syndrome
- Benign childhood epilepsy with centrotemporal spikes ( rolandic epilepsy )
- Rasmussens encephalitis
- Juvenile myoclonic epilepsy ( Janz syndrome )
- Lafora disease ( progressive myoclonic epilepsy )
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