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(A) Case 4, aged 14 years. Bipolar montage; (B) Case 5, aged 5.5 years. Bipolar montage. Ictal recordings show a paroxysm of 3 Hz generalized polyspike wave activity. The seizure begins with the head dropping forward or backward followed by bilateral myoclonic ratcheting abduction of the upper limbs. The jerks correlate with the spike of the spike wave complex.
