{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,13]],"date-time":"2026-04-13T15:42:06Z","timestamp":1776094926363,"version":"3.50.1"},"reference-count":47,"publisher":"Cambridge University Press (CUP)","issue":"7","license":[{"start":{"date-parts":[[2020,12,11]],"date-time":"2020-12-11T00:00:00Z","timestamp":1607644800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Int Neuropsychol Soc"],"published-print":{"date-parts":[[2021,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec id=\"S1355617720001216_as1\"><jats:title>Objective:<\/jats:title><jats:p>Subjective cognitive decline (SCD) and mild cognitive impairment (MCI) in Parkinson\u2019s disease (PD) are considered as the risk factors for dementia (PDD). Posterior cortically based functions, such as visuospatial and visuoperceptual (VS-VP) processing, have been described as predictors of PDD. However, no investigations have focused on the qualitative analysis of the Judgment of Line Orientation Test (JLOT) and the Facial Recognition Test (FRT) in PD-SCD and PD-MCI. The aim of this work was to study the VS-VP errors in JLOT and FRT. Moreover, these variables are considered as predictors of PDD.<\/jats:p><\/jats:sec><jats:sec id=\"S1355617720001216_as2\"><jats:title>Method:<\/jats:title><jats:p>Forty-two PD patients and 19 controls were evaluated with a neuropsychological protocol. Patients were classified as PD-SCD and PD-MCI. Analyses of errors were conducted following the procedure described by Ska, Poissant, and Joanette (1990). Follow-up assessment was conducted to a mean of 7.5 years after the baseline.<\/jats:p><\/jats:sec><jats:sec id=\"S1355617720001216_as3\"><jats:title>Results:<\/jats:title><jats:p>PD-MCI patients showed a poor performance in JLOT and FRT total score and made a greater proportion of severe intraquadrant (QO2) and interquadrant errors (IQO). PD-SCD showed a poor performance in FRT and made mild errors in JLOT. PD-MCI and QO2\/IQO errors were independent risk factors for PDD during the follow-up. Moreover, the combination of both PD-MCI diagnosis and QO2\/IQO errors was associated with a greater risk.<\/jats:p><\/jats:sec><jats:sec id=\"S1355617720001216_as4\"><jats:title>Conclusions:<\/jats:title><jats:p>PD-MCI patients presented a greater alteration in VS-VP processing observable by the presence of severe misjudgments. PD-SCD patients also showed mild difficulties in VS-SP functions. Finally, QO2\/IQO errors in PD-MCI are a useful predictor of PDD, more than PD-MCI diagnosis alone.<\/jats:p><\/jats:sec>","DOI":"10.1017\/s1355617720001216","type":"journal-article","created":{"date-parts":[[2020,12,12]],"date-time":"2020-12-12T00:08:55Z","timestamp":1607731735000},"page":"722-732","source":"Crossref","is-referenced-by-count":13,"title":["Analyses of Visuospatial and Visuoperceptual Errors as Predictors of Dementia in Parkinson\u2019s Disease Patients with Subjective Cognitive Decline and Mild Cognitive Impairment"],"prefix":"10.1017","volume":"27","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8359-2678","authenticated-orcid":false,"given":"Iv\u00e1n","family":"Galtier","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7115-9268","authenticated-orcid":false,"given":"Antonieta","family":"Nieto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mar\u00eda","family":"Mata","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jes\u00fas N.","family":"Lorenzo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4730-6560","authenticated-orcid":false,"given":"Jos\u00e9","family":"Barroso","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2020,12,11]]},"reference":[{"key":"S1355617720001216_ref33","doi-asserted-by":"publisher","DOI":"10.1002\/mds.24893"},{"key":"S1355617720001216_ref34","doi-asserted-by":"publisher","DOI":"10.1016\/S1474-4422(18)30127-3"},{"key":"S1355617720001216_ref25","doi-asserted-by":"publisher","DOI":"10.1212\/01.wnl.0000252807.38124.a3"},{"key":"S1355617720001216_ref20","doi-asserted-by":"publisher","DOI":"10.1016\/j.parkreldis.2017.11.003"},{"key":"S1355617720001216_ref44","volume-title":"Wechsler memory scale \u2013 Third edition. 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