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Synchronous and symmetric myoclonias in sleeping infant

Synchronous and symmetric myoclonias in sleeping infant

The video shows synchronous and symmetric myoclonias more evident in the upper limbs during quiet sleep. During REM (active) sleep, the myoclonias disappear. The patient is a 17-day-old baby, born after normal pregnancy and delivery. The baby did not show any perinatal problems. Neurologic examination was normal. At 15 days of age, he began to show myoclonias of the upper limbs only during quiet sleep. (Video courtesy of Dr. Nicola Specchio, Department of Neuroscience, Bambino Gesù Children’s Hospital, IRCCS Rome, Italy.)

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