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Patients showed substantial neuropsychological deficits, fragmented nocturnal sleep and, in half the patients, sleep apnea and\/or hypopnea both mainly of central type. There was no statistically significant correlation between the degree of daytime cognitive deficit and the degree of sleep fragmentation or of respiratory problems at night. It was concluded that the neuropsychological deficit in mytonic dystrophy cannot be attributed to a secondary effect of nocturnal sleep apnea or sleep disruption but probably represents a direct effect of CNS lesions.<\/jats:p>","DOI":"10.1017\/s0317167100030985","type":"journal-article","created":{"date-parts":[[2016,7,28]],"date-time":"2016-07-28T07:41:22Z","timestamp":1469691682000},"page":"410-415","source":"Crossref","is-referenced-by-count":35,"title":["Neuropsychological Deficits and Sleep in Myotonic Dystrophy"],"prefix":"10.1017","volume":"17","author":[{"given":"R.","family":"Broughton","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"D.","family":"Stuss","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Kates","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.","family":"Roberts","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"W.","family":"Dunham","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2015,9,18]]},"reference":[{"key":"S0317167100030985_ref001","doi-asserted-by":"publisher","DOI":"10.1080\/01688638208401141"},{"key":"S0317167100030985_ref027","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM198610163151605"},{"key":"S0317167100030985_ref002","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.46.11.971"},{"key":"S0317167100030985_ref011","doi-asserted-by":"publisher","DOI":"10.1080\/01688638608401315"},{"key":"S0317167100030985_ref026","volume-title":"Statistical methods in education and psychology","author":"Glass","year":"1970"},{"key":"S0317167100030985_ref007","first-page":"255","article-title":"Troubles de la vigilance, du sommeil et de la fonction respiratoire dans la maladie de Steinert","volume":"133","author":"Leygonie-Goldenberg","year":"1977","journal-title":"Rev Neurol (Paris)"},{"key":"S0317167100030985_ref022","volume-title":"Manual of directions and scoring"},{"key":"S0317167100030985_ref019","first-page":"204","volume-title":"A Manual of Standardized Terminology, Techniques and Scoring Systems for Sleep Stages of Human Subjects","author":"Rechtschaffen","year":"1968"},{"key":"S0317167100030985_ref020","volume-title":"Sleeping and Waking Disorders: Indications and Techniques","author":"Guilleminault","year":"1982"},{"key":"S0317167100030985_ref023","doi-asserted-by":"publisher","DOI":"10.1037\/h0054651"},{"key":"S0317167100030985_ref005","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.38.10.977"},{"key":"S0317167100030985_ref003","doi-asserted-by":"publisher","DOI":"10.1080\/01688638708405353"},{"key":"S0317167100030985_ref021","volume-title":"WAIS-R Manual. 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