{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T15:01:41Z","timestamp":1790521301945,"version":"4.1.0"},"reference-count":60,"publisher":"Cambridge University Press (CUP)","issue":"6","license":[{"start":{"date-parts":[[2019,12,12]],"date-time":"2019-12-12T00:00:00Z","timestamp":1576108800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Int Neuropsychol Soc"],"published-print":{"date-parts":[[2020,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec id=\"S1355617719001334_as1\" sec-type=\"other\"><jats:title>Objectives:<\/jats:title><jats:p>The objective of our study was to assess attention processes and executive function in patients with narcolepsy with cataplexy (NT1). To do so, we compared the results with those of a control group from the general population using an extensive neuropsychological test battery.<\/jats:p><\/jats:sec><jats:sec id=\"S1355617719001334_as2\" sec-type=\"other\"><jats:title>Methods:<\/jats:title><jats:p>We studied 28 patients with NT1 and 28 healthy control participants matched for age, gender, and educational level. They all completed questionnaires on sleepiness, anxiety, and depression symptoms. In addition, they underwent neuropsychological tests. The ability to maintain attention was assessed using three computer tasks with different levels of complexity.<\/jats:p><\/jats:sec><jats:sec id=\"S1355617719001334_as3\" sec-type=\"other\"><jats:title>Results:<\/jats:title><jats:p>Patients had significantly more daytime sleepiness than controls. A significant negative correlation between depression and disease duration was found in NT1 patients. The results of the anxiety questionnaire correlated with the presence of sleep paralysis. There were significant differences in information processing speed subtasks. Patients made significantly more omissions and generally reacted slower and more variably than controls in computerized tasks. As for executive function, patients performed worse in phonologic fluency tasks than controls. However, when the influence of processing speed on fluency tasks was statistically controlled, part of this significant difference disappeared.<\/jats:p><\/jats:sec><jats:sec id=\"S1355617719001334_as4\" sec-type=\"other\"><jats:title>Conclusions:<\/jats:title><jats:p>Our results indicate that the negative correlation between depression and disease duration probably reflects progressive adaptation to the functional burden of the disease. Information processing speed plays a fundamental role in the expression of cognitive deficits. We emphasized the need to control the influence of processing speed and sustained attention in the neuropsychological assessment of NT1 patients.<\/jats:p><\/jats:sec>","DOI":"10.1017\/s1355617719001334","type":"journal-article","created":{"date-parts":[[2019,12,12]],"date-time":"2019-12-12T07:18:59Z","timestamp":1576135139000},"page":"587-595","source":"Crossref","is-referenced-by-count":15,"title":["Neuropsychological Alterations in Narcolepsy with Cataplexy and the Expression of Cognitive Deficits"],"prefix":"10.1017","volume":"26","author":[{"given":"Pablo","family":"Medrano-Martinez","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4172-4000","authenticated-orcid":false,"given":"Rosa","family":"Peraita-Adrados","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2019,12,12]]},"reference":[{"key":"S1355617719001334_ref26","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1818150116"},{"key":"S1355617719001334_ref28","volume-title":"Neuropsychological Alteration in Narcolepsy with Cataplexy. 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