Article (Scientific journals)
Primary vision and facial emotion recognition in early Parkinson's disease
Hipp, Géraldine; Diederich, Nico; Pieria, Viannina et al.
2014In Journal of the Neurological Sciences, 338, p. 178-182
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Keywords :
Parkinson's disease; Contrast sensitivity; Colour discrimination; Facial emotion recognition; Amygdala; Vision
Abstract :
[en] Background: In early stages of idiopathic Parkinson's disease (IPD), lower order vision (LOV) deficits including reduced colour and contrast discrimination have been consistently reported. Data are less conclusive concerning higher order vision (HOV) deficits, especially for facial emotion recognition (FER). However, a link between both visual levels has been hypothesized. Objective: To screen for both levels of visual impairment in early IPD. Methods: We prospectively recruited 28 IPD patients with disease duration of 1.4 +/− 0.8 years and 25 healthy controls. LOV was evaluated by Farnsworth-Munsell 100 Hue Test, Vis-Tech and Pelli-Robson test. HOV was examined by the Ekman 60 Faces Test and part A of the Visual Object and Space recognition test. Results: IPD patients performed worse than controls on almost all LOV tests. The most prominent difference was seen for contrast perception at the lowest spatial frequency (p = 0.0002). Concerning FER IPD patients showed reduced recognition of “sadness” (p = 0.01). “Fear” perception was correlated with perception of low contrast sensitivity in IPD patients within the lowest performance quartile. Controls showed a much stronger link between “fear” perception” and low contrast detection. Conclusion: At the early IPD stage there are marked deficits of LOV performances, while HOV performances are still intact, with the exception of reduced recognition of “sadness”. At this stage, IPD patients seem still to compensate the deficient input of low contrast sensitivity, known to be pivotal for appreciation of negative facial emotions and confirmed as such for healthy controls in this study.
Research center :
Luxembourg Centre for Systems Biomedicine (LCSB): Experimental Neurobiology (Balling Group)
Disciplines :
Life sciences: Multidisciplinary, general & others
Author, co-author :
Hipp, Géraldine;  Centre Hospitalier de Luxembourg > Department of Neurology
Diederich, Nico ;  University of Luxembourg > Luxembourg Centre for Systems Biomedicine (LCSB) ; Centre Hospitalier de Luxembourg > Demartment of Neurology
Pieria, Viannina;  Centre Hospitalier de Luxembourg > Department of Neurology
Vaillant, Michel;  Centre de Recherches Public > Competence Centre for Methodology and Statistics
External co-authors :
yes
Language :
English
Title :
Primary vision and facial emotion recognition in early Parkinson's disease
Publication date :
2014
Journal title :
Journal of the Neurological Sciences
ISSN :
0022-510X
Publisher :
Elsevier, Amsterdam, Netherlands
Volume :
338
Pages :
178-182
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 08 April 2016

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