MovDisordV3, France, Analysis, bibRecord, 000037

From micrographia to Parkinson's disease dysgraphia.

Identifieur interne : 000037 ( France/Analysis ); précédent : 000036; suivant : 000038

From micrographia to Parkinson's disease dysgraphia.

Auteurs : Alban Letanneux [France] ; Jeremy Danna ; Jean-Luc Velay ; François Viallet ; Serge Pinto

Source :

Movement disorders : official journal of the Movement Disorder Society [ 1531-8257 ] ; 2014.

RBID : pubmed:25156696

English descriptors

KwdEn :
- Agraphia (diagnosis), Agraphia (etiology), Handwriting, Humans, Parkinson Disease (complications), PubMed (statistics & numerical data).
MESH :
- complications : Parkinson Disease.
- diagnosis : Agraphia.
- etiology : Agraphia.
- statistics & numerical data : PubMed.
- Handwriting, Humans.

Abstract

Micrographia, an abnormal reduction in writing size, is a specific behavioral deficit associated with Parkinson's disease (PD). In recent years, the availability of graphic tablets has made it possible to study micrographia in unprecedented detail. Consequently, a growing number of studies show that PD patients also exhibit impaired handwriting kinematics. Is micrographia still the most characteristic feature of PD-related handwriting deficits? To answer this question, we identified studies that investigated handwriting in PD, either with conventional pencil-and-paper measures or with graphic tablets, and we reported their findings on key spatiotemporal and kinematic variables. We found that kinematic variables (velocity, fluency) differentiate better between control participants and PD patients, and between off- and on-treatment PD patients, than the traditional measure of static writing size. Although reduced writing size is an important feature of PD handwriting, the deficit is not restricted to micrographia stricto sensu. Therefore, we propose the term PD dysgraphia, which encompasses all deficits characteristic of Parkinsonian handwriting. We conclude that the computerized analysis of handwriting movements is a simple and useful tool that can contribute to both diagnosis and follow-up of PD.

DOI: 10.1002/mds.25990
PubMed: 25156696

Affiliations:

Links to Exploration step

pubmed:25156696

Le document en format XML

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<author><name sortKey="Letanneux, Alban" sort="Letanneux, Alban" uniqKey="Letanneux A" first="Alban" last="Letanneux">Alban Letanneux</name>
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<orgName type="university">Université d'Aix-Marseille</orgName>
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<author><name sortKey="Danna, Jeremy" sort="Danna, Jeremy" uniqKey="Danna J" first="Jeremy" last="Danna">Jeremy Danna</name>
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<author><name sortKey="Velay, Jean Luc" sort="Velay, Jean Luc" uniqKey="Velay J" first="Jean-Luc" last="Velay">Jean-Luc Velay</name>
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<author><name sortKey="Viallet, Francois" sort="Viallet, Francois" uniqKey="Viallet F" first="François" last="Viallet">François Viallet</name>
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<front><div type="abstract" xml:lang="en">Micrographia, an abnormal reduction in writing size, is a specific behavioral deficit associated with Parkinson's disease (PD). In recent years, the availability of graphic tablets has made it possible to study micrographia in unprecedented detail. Consequently, a growing number of studies show that PD patients also exhibit impaired handwriting kinematics. Is micrographia still the most characteristic feature of PD-related handwriting deficits? To answer this question, we identified studies that investigated handwriting in PD, either with conventional pencil-and-paper measures or with graphic tablets, and we reported their findings on key spatiotemporal and kinematic variables. We found that kinematic variables (velocity, fluency) differentiate better between control participants and PD patients, and between off- and on-treatment PD patients, than the traditional measure of static writing size. Although reduced writing size is an important feature of PD handwriting, the deficit is not restricted to micrographia stricto sensu. Therefore, we propose the term PD dysgraphia, which encompasses all deficits characteristic of Parkinsonian handwriting. We conclude that the computerized analysis of handwriting movements is a simple and useful tool that can contribute to both diagnosis and follow-up of PD.</div>
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Movement Disorders (revue)

From micrographia to Parkinson's disease dysgraphia.

From micrographia to Parkinson's disease dysgraphia.

Source :

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

Pour générer des pages wiki

	Movement Disorders (revue)
	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.