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Résumé Les troubles visuo-spatiaux : ataxies, NSU, apraxies... (NEURO2)
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Tableau récapitulatif des troubles visuo-spatiaux du programme de NEURO2 à l'Université Paris Cité (Descartes). Tableau coloré et clair.
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TROUBLES VISUO-SPATIAUXATAXIE OPTIQUE Difficulté à guider action motrice par la vision
- Diff de coordination visuomotrice
- Diff à saisir objets : signes d’approche
- Affecte tous mouvement guidé par la vision
- Pas de difficulté de reconnaissance de l’objet
SIMULTAGNOSIE Difficulté à percevoir pls objets simultanément
- Perception morcelée : voit pas la globalité
- Réduction du champs spatial attentionnel
- Pas de difficulté de reconnaissance de l’objet
SYNDROME DE BALINT Triade associant :
Ataxie optique
Simultagnosie
Apraxie du regard (fixité, errance regard)
NEGLIGENCE SPATIALE UNILATERALE Impossibilité de décrire verbalement et/ou de répondre et/ou de
= HEMINEGLIGENCE s’orienter aux stimulations contralatérales à la lésion cérébrale
- Déviation tête/tronc du côté ipsilésionnel
- Ancrage attentionnel
Troubles fréquemment associés :
Anosognosie de la NSU
Extinction sensorielle (détecter stimulus sur partie du
corps/espace si autre stimulus se présente
symétriquement/simultanément sur l’hémi-espace opposé)
Hémiplégie (paralysie hémicorps)
Hémiasomatognosie (reco pas le corps comme le sien)
Hémianopsie latérale homonyme (perte hémichamps visuel
opposé à lésion)
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