An atonic seizure is a sudden loss of muscle tone in the muscles that
hold the body and head upright.
The seizure occurs without warning and usually
causes the person to fall down.
Some atonic seizures may be more
limited, only causing the person's head to drop for a moment.
Atonic seizures are fairly uncommon and occur mostly in people with
Lennox-Gastaut syndrome. This is a severe form of generalized epilepsy that begins
in early childhood. (Children with Lennox-Gastaut syndrome may also have
It is possible that the main title of the report Glucose Transporter Type 1 Deficiency Syndrome is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.