{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,3]],"date-time":"2026-05-03T10:11:30Z","timestamp":1777803090211,"version":"3.51.4"},"reference-count":9,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2008,1,11]],"date-time":"2008-01-11T00:00:00Z","timestamp":1200009600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Child Neurol"],"published-print":{"date-parts":[[2008,3]]},"abstract":"<jats:p>An 11-year-old girl with nonketotic hyperglycinemia who typically presented with a picture of early myoclonic encephalopathy in the neonatal period is presented in this article. Treated early with sodium benzoate and dextromethorphan, she became seizure-free, while myoclonus persisted. During examination, multifocal rhythmic myoclonic jerks in gamma frequency enhanced by motor activity were noted. Coherence analysis of the electroencephalography\u2212electromyography relationship indicated a cortical origin of the myoclonic jerks. Observation of this case suggests that rhythmic cortical myoclonus may represent a late evolution of this rare disorder.<\/jats:p>","DOI":"10.1177\/0883073807308699","type":"journal-article","created":{"date-parts":[[2008,1,8]],"date-time":"2008-01-08T22:58:11Z","timestamp":1199833091000},"page":"321-324","source":"Crossref","is-referenced-by-count":4,"title":["High-Frequency Rhythmic Cortical Myoclonus in a Long-Surviving Patient With Nonketotic Hypergylcemia"],"prefix":"10.1177","volume":"23","author":[{"given":"Massimo","family":"Mastrangelo","sequence":"first","affiliation":[{"name":"Pediatric Neurology Unit, V. Buzzi Hospital, A.O. ICP, Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Laura","family":"Canafoglia","sequence":"additional","affiliation":[{"name":"Department of Neurophysiology and Epileptology, IRCCS Foundation, Carlo Besta Neurological Institute, Milan, Italy, canafoglia@ istituto-besta.it"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Silvana","family":"Franceschetti","sequence":"additional","affiliation":[{"name":"Department of Neurophysiology and Epileptology, IRCCS Foundation, Carlo Besta Neurological Institute, Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chiara","family":"Oppezzo","sequence":"additional","affiliation":[{"name":"Pediatric Neurology Unit, V. Buzzi Hospital, A.O. 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Gerardo Hospital, Monza, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Claudia","family":"Ciano","sequence":"additional","affiliation":[{"name":"Department of Neurophysiology and Epileptology, IRCCS Foundation, Carlo Besta Neurological Institute, Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vidmer","family":"Scaioli","sequence":"additional","affiliation":[{"name":"Department of Neurophysiology and Epileptology, IRCCS Foundation, Carlo Besta Neurological Institute, Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ferruccio","family":"Panzica","sequence":"additional","affiliation":[{"name":"Department of Neurophysiology and Epileptology, IRCCS Foundation, Carlo Besta Neurological Institute, Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2008,1,11]]},"reference":[{"key":"atypb1","unstructured":"Aicardi J., Ohtahara S. Severe neonatal epilepsies with suppression-burst pattern. In: Roger J, Bureau M, Dravet C, Genton P, Tassinari CA, Wolf P , eds. Epileptic Syndromes in Infancy, Childhood and Adolescence . 3rd ed. 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