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Nocturnal lower\u2010limb activity per minute differentiated and discriminated between groups with no overlap, whereas the periodic limb movement index and the controlled rest activity during sitting showed less discriminative power. The naturalistic recording of nocturnal activity by actometry may prove useful for assessing the severity of RLS and for finding an objective marker to support the diagnosis of RLS. \u00a9 2002 Movement Disorder Society<\/jats:p>","DOI":"10.1002\/mds.10381","type":"journal-article","created":{"date-parts":[[2003,3,28]],"date-time":"2003-03-28T08:10:03Z","timestamp":1048839003000},"page":"442-448","source":"Crossref","is-referenced-by-count":19,"title":["Quantitative rest activity in ambulatory monitoring as a physiological marker of restless legs syndrome: A controlled study"],"prefix":"10.1002","volume":"18","author":[{"given":"Katinka","family":"Tuisku","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matti Mikael","family":"Holi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kristian","family":"Wahlbeck","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aulikki Johanna","family":"Ahlgren","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hannu","family":"Lauerma","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2002,12,23]]},"reference":[{"key":"e_1_2_5_2_2","doi-asserted-by":"publisher","DOI":"10.1002\/mds.870130220"},{"key":"e_1_2_5_3_2","doi-asserted-by":"publisher","DOI":"10.1212\/WNL.52.5.938"},{"key":"e_1_2_5_4_2","doi-asserted-by":"crossref","first-page":"689","DOI":"10.1093\/sleep\/18.8.689","article-title":"New actigraphic assessment method for periodic leg movements (PLM)","volume":"18","author":"Kazenwadel J","year":"1995","journal-title":"Sleep"},{"issue":"4","key":"e_1_2_5_5_2","first-page":"A387","article-title":"Successful use of actigraphy to quantify motor symptoms in the restless legs syndrome","volume":"43","author":"Mills R","year":"1993","journal-title":"Neurology"},{"key":"e_1_2_5_6_2","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/22.7.901"},{"key":"e_1_2_5_7_2","doi-asserted-by":"crossref","first-page":"634","DOI":"10.1002\/mds.870100517","article-title":"Towards a better definition of the restless legs syndrome from the international restless legs syndrome study group","volume":"10","author":"The International Restless Legs Syndrome Study Group","year":"1995","journal-title":"Mov Disord"},{"volume-title":"User's guide for the structured clinical interview for DSM\u2010IV axis I disorders \u2013 clinician's version","year":"1997","author":"First MB","key":"e_1_2_5_8_2"},{"key":"e_1_2_5_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0920-9964(99)00045-6"},{"key":"e_1_2_5_10_2","first-page":"S1","article-title":"What is an activity count? 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