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What Is Epilepsy?

Epilepsy is a chronic, non-communicable neurologic disorder defined by two or more unprovoked seizures. Provoked seizures result from some immediately recognizable stimulus (for example, low blood sugar in people with diabetes), while unprovoked seizures have no immediately recognizable cause. Provoked seizures are unlikely to recur if the provocations can be avoided; however, unprovoked seizures have the tendency to recur and are the hallmark of epilepsy. When someone has two or more seizures, doctors diagnose epilepsy.

Types of Epilepsy

There are many types of epilepsy. Some types of epilepsy and epilepsy syndromes include:

  • Infantile spasms
  • Benign rolandic epilepsy
  • Childhood absence epilepsy
  • Doose syndrome (myoclonic astatic epilepsy of childhood)
  • Lennox-Gastaut syndrome
  • Landau-Kleffner syndrome
  • Juvenile myoclonic epilepsy
  • Rasmussen's syndrome
  • Sturge-Weber syndrome
  • West syndrome
  • Frontal lobe epilepsy
  • Temporal lobe epilepsy
  • Parietal lobe epilepsy
  • Occipital lobe epilepsy