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In this study we evaluated (i) the impact of experimentally induced cognitive arousal on electroencephalogram (EEG) defined sleep latency, and subjective, somatic and cortical arousal, and (ii) whether experimentally induced cognitive arousal enhances performance on a driving simulator test. Twelve healthy sleepers each spent three nights and the following day in the sleep laboratory: an adaptation, a cognitive arousal and a neutral testing day. In the cognitive arousal condition, a visit of a television camera crew took place and subjects were asked to be interviewed. On each testing day, a 5\u2010min heart rate recording, subjective sleepiness and arousal scales, Multiple Sleep Latency Test and a 25\u2010min driving simulator task were scheduled three times at 2\u2010h intervals. Experimentally induced cognitive arousal resulted in significant increases in objective sleep latency. Significantly elevated levels of subjective and somatic arousal \u2013 as indexed by a subjective arousal scale and heart rate \u2013 were also evidenced following cognitive arousal induction. A marginally significant trend for increased cortical arousal, measured by EEG beta activity, was also found. No effects were found on driving simulator performance. These findings support the concept of cognitive arousal as a significant component in determining sleep latency. In addition, it was illustrated that cognitively induced arousal can provoke increases in somatic and possibly even cortical arousal in normal sleepers. However, this was not accompanied by an enhanced ability to perform adequately on a driving simulator test.<\/jats:p>","DOI":"10.1111\/j.1365-2869.2004.00424.x","type":"journal-article","created":{"date-parts":[[2004,11,22]],"date-time":"2004-11-22T14:44:43Z","timestamp":1101134683000},"page":"295-304","source":"Crossref","is-referenced-by-count":34,"title":["Effect of cognitive arousal on sleep latency, somatic and cortical arousal following partial sleep deprivation"],"prefix":"10.1111","volume":"13","author":[{"given":"Elke De","family":"Valck","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Raymond","family":"Cluydts","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sandra","family":"Pirrera","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2004,11,22]]},"reference":[{"key":"e_1_2_28_2_1","volume-title":"HRV Analysis Software V1.1","author":"Biomedical signal analysis group","year":"2002"},{"key":"e_1_2_28_3_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/18.7.581"},{"key":"e_1_2_28_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/S1087-0792(97)90012-5"},{"key":"e_1_2_28_5_1","doi-asserted-by":"publisher","DOI":"10.1097\/00006842-199809000-00017"},{"key":"e_1_2_28_6_1","first-page":"477","article-title":"Sleepiness as measured by modified Multiple Sleep Latency Testing varies as a function of preceding activity","volume":"21","author":"Bonnet M. 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