1 re shocked whenever the nuchal muscle became atonic.

2 in the late onset group, including myoclonic-atonic epilepsy (two patients), Lennox-Gastaut not emerg

3 s (visual agnosia, sensory hypersensitivity, atonic episodes, restricted mobility) to social isolatio

4 ls, all of whom have epilepsy with myoclonic-atonic seizures (MAE).

5 nal electromyography dropout consistent with atonic seizures.

6  encephalopathy, with head nodding caused by atonic seizures.

7 infrequent atypical absences, myoclonias, or atonic seizures.

8 tonic-clonic, generalized tonic, generalized atonic, simple partial, and partial complex seizure type

9 es (primarily generalized, tonic-clonic, and atonic) that began on average at 6.8 months of age (rang