Definition

Lennox-Gastaut syndrome (LGS) is one of the most severe forms of epilepsy (a seizure disorder) that develops in children usually between one and eight years old. It is characterized by several types of seizures, developmental delay, and behavioral disturbances such as poor social skills and lack of impulse control.

Description

Lennox-Gastaut syndrome can be the result of any one of many neurological problems of childhood that begins with intractable, or hard to control, seizures. French physician Samuel Auguste A. D. Tissot (1728–1797) first described the syndrome in 1770. He reported an 11-year-old boy with frequent drop attacks, myoclonus (jerking movements),...