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It was observed an increased depression frequency and fatigue severity, impairment in health condition, and a decreased quality of life in PSS cases compared to the healthy controls (<jats:italic>p\u00a0<\/jats:italic>&lt;\u00a0.05). All the depression, fatigue severity, and quality of life tests showed a significant positive correlation with each other (<jats:italic>p\u00a0<\/jats:italic>&lt;\u00a0.05). A significant negative correlation between Clock Drawing and SF\u201036\u2010BP (<jats:italic>p\u00a0<\/jats:italic>=\u00a0.031, <jats:italic>r\u00a0<\/jats:italic>=\u00a0\u2212.382) and SF\u201036\u2010GH (<jats:italic>p\u00a0<\/jats:italic>=\u00a0.027, <jats:italic>r\u00a0<\/jats:italic>=\u00a0\u2212.392) was observed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Clock Drawing, PASAT, and AVLT are very useful tests to determine the subclinical and clinical cognitive dysfunction to evaluate attention, information processing speed, executive functions, and short\u2010term and long\u2010term verbal memory in PSS patients. Depression and fatigue may not affect the neuropsychological tests performance.<\/jats:p><\/jats:sec>","DOI":"10.1002\/brb3.586","type":"journal-article","created":{"date-parts":[[2016,10,14]],"date-time":"2016-10-14T00:22:05Z","timestamp":1476404525000},"source":"Crossref","is-referenced-by-count":63,"title":["Cognition, depression, fatigue, and quality of life in primary Sj\u00f6gren's syndrome: correlations"],"prefix":"10.1002","volume":"6","author":[{"given":"Belgin","family":"Ko\u00e7er","sequence":"first","affiliation":[{"name":"Department of Neurology Gazi University School of Medicine  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mehmet Engin","family":"Tezcan","sequence":"additional","affiliation":[{"name":"Department of Rheumatology Gazi University School of Medicine  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hale Zeynep","family":"Batur","sequence":"additional","affiliation":[{"name":"Department of Neurology Gazi University School of Medicine  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"\u015eeminur","family":"Haznedaro\u011flu","sequence":"additional","affiliation":[{"name":"Department of Rheumatology Gazi University School of Medicine  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Berna","family":"G\u00f6ker","sequence":"additional","affiliation":[{"name":"Department of Rheumatology Gazi University School of Medicine  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ceyla","family":"\u0130rke\u00e7","sequence":"additional","affiliation":[{"name":"Department of Neurology Gazi University School of Medicine  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R\u00fcmeysa","family":"\u00c7etinkaya","sequence":"additional","affiliation":[{"name":"Department of Neurology Gazi University School of Medicine  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2016,10,13]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1136\/ard.57.5.291"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1080\/03009740902973821"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1136\/ard.61.3.284"},{"key":"e_1_2_6_5_1","volume-title":"Beck depression inventory: Second edition manual","author":"Beck A. 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