The Dysexecutive Syndrome of Alzheimer's Disease: The GREFEX Study

Autor: Olivier Godefroy, Chrystèle Mosca, Marc Verny, Hermine Lenoir, Eric Bretault, Olivier Martinaud, Martine F. Roussel
Rok vydání: 2014
Předmět:
Zdroj: Journal of Alzheimer's Disease. 42:1203-1208
ISSN: 1875-8908
1387-2877
DOI: 10.3233/jad-140585
Popis: Background Dysexecutive disorders are common in early-stage Alzheimer's disease (AD) but have yet to be characterized in detail. Objective The objectives of the present study based on validated diagnostic criteria were to determine the frequency and characterize the profile of behavioral and cognitive dysexecutive disorders in AD. Methods 102 patients with AD (mild: n = 92; moderate: n = 10; mean MMSE score: 23.2) were examined with the GREFEX battery. Neuropsychological data were interpreted within a validated framework based on the performance levels of 780 control participants from the GREFEX study. Results Dysexecutive syndrome was observed in 87.5% (95%CI: 79-96) of the AD patients (p = 0.0001). The dysexecutive disorder profile was characterized by prominent impairments of planning, inhibition flexibility and generation in the cognitive domain (p = 0.0001 as compared to controls for all) and global hypoactivity in the behavioral domain (p = 0.0001 as compared to controls). Conclusions Dysexecutive syndrome is observed in over 80% of AD patients and has a distinct profile.
Databáze: OpenAIRE