Benign non-epileptic myoclonus of early infancy

  • paroxysmal, non-epileptic movement disorder of otherwise healthy infants who have normal EEG and development[1][2][3]
  • ‘benign non-epileptic infantile spasms’ is descriptively more accurate than myoclonus[4]
  • thought to be the same condition as ‘shuddering attacks’[5].


1. a Lombroso CT, Fejerman N. Benign myoclonus of early infancy. Ann Neurol. 1977 Feb;1(2):138-43. doi: 10.1002/ana.410010206.
2. a Pachatz C, Fusco L, Vigevano F. Benign myoclonus of early infancy. Epileptic Disord. 1999 Mar;1(1):57-61.
3. a Maydell BV, Berenson F, Rothner AD, Wyllie E, Kotagal P. Benign myoclonus of early infancy: an imitator of West's syndrome. J Child Neurol. 2001 Feb;16(2):109-12. doi: 10.1177/088307380101600208.
4. a Dravet C, Giraud N, Bureau M, Roger J, Gobbi G, Dalla Bernardina B. Benign myoclonus of early infancy or benign non-epileptic infantile spasms. Neuropediatrics. 1986 Feb;17(1):33-8. doi: 10.1055/s-2008-1052496.
5. a Kanazawa O. Shuddering attacks-report of four children. Pediatr Neurol. 2000 Nov;23(5):421-4. doi: 10.1016/s0887-8994(00)00205-8.
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