Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

Sign Up for a Free Account For information on discounts, see Plans & Pricing

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

  • Listen to MedLink on the go with Audio versions of each article.

Tonic neck and upper body flexion in atypical absence seizure (EEG)

A full-blown tonic neck and upper body flexion during sleep, lasting 10 seconds. Widespread biphasic delta transient with superimposed low-amplitude fast activity and evolution with higher amplitude generalized fast paroxysmal activity. (Contributed by Dr. Athanasios Covanis.)

Related Media

Associated Disorders

  • Angelman syndrome
  • Atypical benign partial epilepsy
  • Dravet syndrome
  • Epilepsy with myoclonic-atonic seizures
  • Epileptic encephalopathy with continuous spike-and-wave during sleep
  • Guanidinoacetate methyltransferase deficiency
  • Lennox-Gastaut syndrome
  • Prader-Willi syndrome