{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T10:09:17Z","timestamp":1791281357992,"version":"4.1.0"},"reference-count":36,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2019,10,30]],"date-time":"2019-10-30T00:00:00Z","timestamp":1572393600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J Geriat Psychiatry"],"published-print":{"date-parts":[[2020,1]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>The present study examined self\u2010reports and informant reports of cognitive function and discrepancies between the two reporting methods in healthy controls (HC), subjective cognitive decline (SCD), mild cognitive impairment (MCI), and very mild Alzheimer disease (AD) using three questionnaires.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>The study included a total of 300 individuals (mean age: 74.4\u00a0\u00b1\u00a05.7\u00a0y), including 130 HC, 70 SCD, 51 MCI, and 49 very mild AD patients. Self\u2010ratings and informant ratings of cognitive function were assessed using the Korean Dementia Screening Questionnaire\u2010Cognition (KDSQ\u2010C), AD8, and Subjective Memory Complaints Questionnaire (SMCQ). Awareness of cognitive functioning was measured on the basis of the discrepancy scores between self\u2010reports and informant reports.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Group comparisons on questionnaire scores adjusting for age, education, and depressive symptoms showed that self\u2010reports were lowest in HC than other groups, with no differences between SCD and MCI groups. Informant reports were lower in SCD than in MCI, while discrepancy scores were higher in SCD than in MCI (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0&lt;\u00a0.001 for KDSQ\u2010C and SMCQ;\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0=\u00a0.076 for AD8). There were no differences in self\u2010reports, informant reports, and discrepancy scores between MCI and AD groups.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>These results support the usefulness of informant\u2010reported cognitive functioning to classify MCI among elderly with subjective cognitive complaints. In addition, discrepancies between self\u2010reports and informant reports demonstrate that overestimation and underestimation of cognitive function may serve as a clinical indicator of SCD and MCI across the cognitive continuum, respectively.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/gps.5224","type":"journal-article","created":{"date-parts":[[2019,10,25]],"date-time":"2019-10-25T03:36:11Z","timestamp":1571974571000},"page":"91-98","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":42,"title":["Self\u2010 and informant\u2010reported cognitive functioning and awareness in subjective cognitive decline, mild cognitive impairment, and very mild Alzheimer disease"],"prefix":"10.1002","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0527-2868","authenticated-orcid":false,"given":"Seon Young","family":"Ryu","sequence":"first","affiliation":[{"name":"Department of Neurology, Daejeon St. Mary's Hospital, College of Medicine The Catholic University of Korea  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahro","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Neurology, Seoul St. Mary's Hospital, College of Medicine The Catholic University of Korea  Seoul Republic of Korea"},{"name":"Department of Neurology, Ulsan University Hospital University of Ulsan College of Medicine  Ulsan Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"SangYun","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Neurology, Seoul National University Bundang Hospital Seoul National University College of Medicine  Seongnam Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyung Won","family":"Park","sequence":"additional","affiliation":[{"name":"Department of Neurology, Cognitive Disorders and Dementia Center Dong\u2010A University College of Medicine and Institute of Convergence Bio\u2010Health  Busan Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kee Hyung","family":"Park","sequence":"additional","affiliation":[{"name":"Department of Neurology Gachon University Gil Hospital  Incheon Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Young Chul","family":"Youn","sequence":"additional","affiliation":[{"name":"Department of Neurology Chung\u2010Ang University Hospital  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dong Woo","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Psychiatry Inje University Sanggye Paik Hospital  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun\u2010Young","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Psychiatry, Seoul Metropolitan Government\u2010Seoul National University Boramae Medical Center Seoul National University College of Medicine  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun Hong","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Neurology National Health Insurance Service Ilsan Hospital  Goyang\u2010si Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jee Hyang","family":"Jeong","sequence":"additional","affiliation":[{"name":"Department of Neurology, Ewha Woman's University Mokdong Hospital Ewha Woman's University School of Medicine  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seong Hye","family":"Choi","sequence":"additional","affiliation":[{"name":"Department of Neurology Inha University School of Medicine  Incheon Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hyun Jeong","family":"Han","sequence":"additional","affiliation":[{"name":"Department of Neurology Myongji Hospital  Goyang 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