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Keywords:

  • benign nocturnal alternating hemiplegia;
  • sleep;
  • migraine;
  • alternating hemiplegia of childhood;
  • video recording

Abstract

Benign familial nocturnal alternating hemiplegia of childhood (BNAHC) is a rare disorder characterized by recurrent attacks of hemiplegia, arising from sleep without progression to neurological or intellectual impairment. It is distinct from the malignant, relatively more common, alternating hemiplegia of childhood (AHC), complicated by developmental deterioration, cognitive impairment, and permanent neurological deficits such as choreoathetosis. The authors add a new case of BNAHC to the pertinent literature and report, for the first time, a video with the typical nocturnal hemiplegic attacks in order to improve knowledge about this disorder among child neurologists and pediatricians and increase the possibility of clarifying its pathogenesis and molecular basis. © 2008 Movement Disorder Society