Article (Scientific journals)
A Comparison of Unawareness in Frontotemporal Dementia and Alzheimer's Disease
Salmon, Eric; Perani, Daniela; Collette, Fabienne et al.
2008In Journal of Neurology, Neurosurgery and Psychiatry, 79 (2), p. 176-9
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Keywords :
Alzheimer; anosognosia; Dementia; frontal dementia
Abstract :
[en] BACKGROUND: Loss of insight is a core diagnostic feature of frontotemporal dementia (FTD) and anosognosia is frequently reported in Alzheimer's disease (AD). AIM: To compare unawareness (anosognosia) for different symptoms, measured with a discrepancy score between patient's and caregiver's assessment, in AD and FTD. METHOD: In a prospective, multi-centre study, 123 patients with probable AD, selected according to the NINCDS-ADRDA procedure, were matched for age, sex, education, disease duration and dementia severity to patients with FTD (n = 41), selected according to international consensus criteria. A research complaint questionnaire was used to obtained patient's and caregiver's assessment concerning neuropsychological and behavioural symptoms. Data were compared in each group and between groups. Unawareness (measured by discrepancy scores) was compared between patients with AD and FTD. RESULTS: The caregivers generally assessed symptoms more severely than did patients, but both patient groups reported changes in affect (depressive mood or irritability) as their caregivers did. Unawareness was greater in patients with FTD than in patients with AD for language and executive difficulties, and for changes in behaviour and daily activities. CONCLUSION: The main finding is that unawareness was observed in both patients with FTD and patients with AD for most clinical domains. However, qualitative and quantitative differences showed that lack of awareness was greater in patients with FTD.
Research center :
GIGA CRC (Cyclotron Research Center) In vivo Imaging-Aging & Memory - ULiège
Disciplines :
Neurology
Author, co-author :
Salmon, Eric  ;  Université de Liège - ULiège > Centre de Recherches du Cyclotron > Département des sciences cliniques -Neuroimagerie des troubles de la mémoire et révalid. cogn.
Perani, Daniela;  Vita-Salute San Raffaele University
Collette, Fabienne  ;  Université de Liège - ULiège > Département des sciences cognitives > Neuropsychologie
Feyers, Dorothée ;  Université de Liège - ULiège > Centre de recherches du cyclotron
Kalbe, Elke;  University of Cologne > Department of Neurology
Holthoff, V.
Sorbi, S.
Herholz, K.
Language :
English
Title :
A Comparison of Unawareness in Frontotemporal Dementia and Alzheimer's Disease
Publication date :
2008
Journal title :
Journal of Neurology, Neurosurgery and Psychiatry
ISSN :
0022-3050
eISSN :
1468-330X
Publisher :
BMJ Group, London, United Kingdom
Volume :
79
Issue :
2
Pages :
176-9
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
EC-FP6-project DiMI, LSHB-CT-2005-512146; FNRS, IUAP P5/04, the CHU Liege, the University of Liege
European program NEST-DD
Available on ORBi :
since 28 January 2009

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