Picture recognition errors in the differential diagnosis of Alzheimer's disease
Number of pages
SourceZeitschrift für Neuropsychologie, 30, 3, (2019), pp. 157-168
Article / Letter to editor
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SW OZ DCC NRP
Zeitschrift für Neuropsychologie
SubjectNeuropsychology and rehabilitation psychology; Neuro- en revalidatiepsychologie
This article explores the possibility of differentiating between patients suffering from Alzheimer's disease (AD) and patients with other kinds of dementia by focusing on false alarms (FAs) on a picture recognition task (PRT). In Study 1, we compared AD and non-AD patients on the PRT and found that FAs discriminate well between these groups. Study 2 served to improve the discriminatory power of the FA score on the picture recognition task by adding associated pairs. Here, too, the FA score differentiated well between AD and non-AD patients, though the discriminatory power did not improve. The findings suggest that AD patients show a liberal response bias. Taken together, these studies suggest that FAs in picture recognition are of major importance for the clinical diagnosis of AD.
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