{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,19]],"date-time":"2026-01-19T09:55:43Z","timestamp":1768816543187,"version":"3.49.0"},"reference-count":36,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2014,2,16]],"date-time":"2014-02-16T00:00:00Z","timestamp":1392508800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Psychogeriatrics"],"published-print":{"date-parts":[[2014,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Research suggests that working memory and attention deficits may be present in mild cognitive impairment (<jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content>). However, the functional status of these domains within revised <jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content> subtypes remains unclear, particularly because previous studies have examined these cognitive domains with the same tests that were used to classify <jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content> subtypes. The aim of this study was to examine working memory and attention function in <jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content> subtypes on a battery of neuropsychological tests that were distinct from those used to classify <jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content> subtypes<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 122 adults aged 60\u201390 years were classified at baseline as amnestic <jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content>, non\u2010amnestic <jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content>, and multi\u2010domain amnestic (a\u2010<jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content>+). The attentional and working memory capacity of participants was examined using a battery of tests distinct from those used to classify <jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content> at screening.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The a\u2010<jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content>+ group demonstrated the poorest performance on all working memory tasks and specific sub\u2010processes of attention. The non\u2010amnestic <jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content> group had lowered performance on visual span and complex sustained attention only. There was no evidence of either attentional or working memory impairment in the amnestic <jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content> participants.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>When <jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content> cohorts are assessed on measures distinct from those used at classification, a\u2010<jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content>+ subjects had the most compromised working memory and attention function. These results support previous findings that suggest a\u2010<jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content>+ more closely resembles early stage <jats:styled-content style=\"fixed-case\">A<\/jats:styled-content>lzheimer's disease and those with a\u2010<jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content>+ may be at increased rate of future cognitive decline compared to those with other <jats:styled-content style=\"fixed-case\">MCI<\/jats:styled-content> subtypes.<\/jats:p><\/jats:sec>","DOI":"10.1111\/psyg.12042","type":"journal-article","created":{"date-parts":[[2014,2,17]],"date-time":"2014-02-17T11:37:21Z","timestamp":1392637041000},"page":"63-71","source":"Crossref","is-referenced-by-count":16,"title":["Lowered performance in working memory and attentional sub\u2010processes are most prominent in multi\u2010domain amnestic mild cognitive impairment subtypes"],"prefix":"10.1111","volume":"14","author":[{"given":"Shannon Z.","family":"Klekociuk","sequence":"first","affiliation":[{"name":"School of Psychology University of Tasmania  Launceston Tasmania Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3869-4920","authenticated-orcid":false,"given":"Mathew J.","family":"Summers","sequence":"additional","affiliation":[{"name":"School of Psychology University of Tasmania  Launceston Tasmania Australia"},{"name":"Wicking Dementia Research &amp; 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