ParkinsonCanadaV1, France, Analysis, bibRecord, 000193

Emotion and object processing in Parkinson's disease

Identifieur interne : 000193 ( France/Analysis ); précédent : 000192; suivant : 000194

Emotion and object processing in Parkinson's disease

Auteurs : Henri Cohen [France, Canada] ; Marie-Hélène Gagne [Canada] ; Ursula Hess [Canada] ; Emmanuelle Pourcher [France, Canada]

Source :

Brain and cognition : (Print) [ 0278-2626 ] ; 2010.

RBID : Pascal:10-0230959

Descripteurs français

Pascal (Inist)
- Traitement information, Emotion émotivité, Maladie de Parkinson, Mimique, Face, Noyau gris central, Charge mentale, Reconnaissance mnémonique, Imagerie médicale, Objet, Homme.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Basal ganglion, Emotion emotionality, Face, Facial expression, Human, Information processing, Medical imagery, Mental load, Object, Parkinson disease, Recognition memory.

Abstract

The neuropsychological literature on the processing of emotions in Parkinson's disease (PD) reveals conflicting evidence about the role of the basal ganglia in the recognition of facial emotions. Hence, the present study had two objectives. One was to determine the extent to which the visual processing of emotions and objects differs in PD. The other was to assess the impact of cognitive load on the processing of these types of information. Thirty-one patients with idiopathic PD (IPD) under dopamine replacement therapy (DRT) were compared to 30 control subjects on emotion and object recognition tasks. Recognition of objects was more accurate and faster than recognition of facial expressions of emotion, for both groups of subjects. In a second experiment using an N-back procedure with the same stimuli-a more demanding task with a higher cognitive load-patients with IPD were as accurate as control subjects in detecting the correct sequential presentation of stimuli, but were much slower in their decision responses. This indicates that IPD patients under DRT are not impaired in encoding emotion or object information, but that they have difficulty with the processing demands of the N-back task. Thus, patients with IPD appear to be more sensitive to cognitive load than to type of information, whether facial emotions or objects. In this perspective, one must consider that a deafferented dopaminergic system has problems processing more complex information before one can posit the existence of deficits affecting a specific type of information.

Affiliations:

Links to Exploration step

Pascal:10-0230959

Le document en format XML

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<front><div type="abstract" xml:lang="en">The neuropsychological literature on the processing of emotions in Parkinson's disease (PD) reveals conflicting evidence about the role of the basal ganglia in the recognition of facial emotions. Hence, the present study had two objectives. One was to determine the extent to which the visual processing of emotions and objects differs in PD. The other was to assess the impact of cognitive load on the processing of these types of information. Thirty-one patients with idiopathic PD (IPD) under dopamine replacement therapy (DRT) were compared to 30 control subjects on emotion and object recognition tasks. Recognition of objects was more accurate and faster than recognition of facial expressions of emotion, for both groups of subjects. In a second experiment using an N-back procedure with the same stimuli-a more demanding task with a higher cognitive load-patients with IPD were as accurate as control subjects in detecting the correct sequential presentation of stimuli, but were much slower in their decision responses. This indicates that IPD patients under DRT are not impaired in encoding emotion or object information, but that they have difficulty with the processing demands of the N-back task. Thus, patients with IPD appear to be more sensitive to cognitive load than to type of information, whether facial emotions or objects. In this perspective, one must consider that a deafferented dopaminergic system has problems processing more complex information before one can posit the existence of deficits affecting a specific type of information.</div>
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La maladie de Parkinson au Canada (serveur d'exploration)

Emotion and object processing in Parkinson's disease

Emotion and object processing in Parkinson's disease

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	La maladie de Parkinson au Canada (serveur d'exploration)
	Attention, ce site est en cours de développement ! Attention, site généré par des moyens informatiques à partir de corpus bruts. Les informations ne sont donc pas validées.