1999
DOI: 10.1024//1011-6877.12.1.55
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Merkmalsanalyse von Uhrzeichnungen als Beitrag zur Diagnostik der Demenz vom Alzheimer Typ

Abstract: Zusammenfassung: Zur leichteren Anwendbarkeit des in der Demenzforschung mehrfach und in verschiedener Weise benutzten Uhrzeichen-Tests im Rahmen psychodiagnostischer Verfahren sollten Merkmale gefunden werden, die eine diagnostische Differenzierung zwischen «Alzheimer-Patienten», «Depressiven» und «Gesunden» erlauben. Insgesamt 205 Patienten einer «Gedächtnissprechstunde» mit den Diagnosen Demenz vom Alzheimer-Typ (n = 101), Major Depression (n = 58) nach DSM-III-R und «Gesund» (klinisch unauffällig) (n = 46)… Show more

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Cited by 13 publications
(6 citation statements)
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“…Similarly, a possible influence of the time-setting task on the diagnostic accuracy of the CDT was signified and discussed in previous investigations. 2,5,[15][16][17][18] However, only a few studies explicitly investigated the relevance of time setting in CDT in terms of diagnostic overall accuracy, which represents the proportion of the entire sample correctly classified as either cases or noncases. Accordingly, the current study aims at clarifying the following questions:…”
Section: Objectivementioning
confidence: 99%
“…Similarly, a possible influence of the time-setting task on the diagnostic accuracy of the CDT was signified and discussed in previous investigations. 2,5,[15][16][17][18] However, only a few studies explicitly investigated the relevance of time setting in CDT in terms of diagnostic overall accuracy, which represents the proportion of the entire sample correctly classified as either cases or noncases. Accordingly, the current study aims at clarifying the following questions:…”
Section: Objectivementioning
confidence: 99%
“…Semantic memory was assessed using a 15-items version of the Boston naming test (BNT; [25]) and a category fluency task (animal fluency; [26]). Processing speed was measured by part A of the trail making test (TMT; [27,28]) and spatial abilities by the clock drawing test [29,30]. Code shifting was assessed with a number transcoding task of the dementia detection test (DemTect; [31]) whereas cognitive flexibility was estimated by the test scores in part B of the trail making test [27,28].…”
Section: Methodsmentioning
confidence: 99%
“…The TMT-B assesses cognitive flexibility, whereas the number transcoding task requires code shifting [42]. Spatial abilities were evaluated using the clock drawing test [43] and a CERAD subtest (constructional praxis I), which requires the duplication of geometric figures. For all of these tests, a higher score reflected better performance, except for the TMT, RAVLT false positives, the number transcoding task and the clock drawing test—here, higher scores reflect lower performance (greater time and number of errors, respectively).…”
Section: Casementioning
confidence: 99%