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Peripersonal Space Representation in Upper Limb Segmental Exclusion
Sponsor: Union de Gestion des Etablissements des Caisses d'Assurance Maladie - Nord Est
Summary
This study aims to evaluate the representation of action peripersonal space (PPS) in subjects suffering from unilateral segmental exclusion syndrome of the upper limb compared to healthy control subjects. Segmental exclusion is defined by non-use or under-use of a limb segment without central nervous system damage. The study hypothesizes that this syndrome leads to a modification (shrinkage) of the PPS representation. Participants will perform reachability judgments in a Virtual Reality (VR) environment.
Official title: Study of the Representation of Action Peripersonal Space in Participants With Unilateral Segmental Exclusion of the Upper Limb Compared to Asymptomatic Subjects
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
OBSERVATIONAL
Enrollment
60
Start Date
2025-12-04
Completion Date
2028-01
Last Updated
2026-03-16
Healthy Volunteers
Yes
Conditions
Interventions
Reachability Judgment Task in VR.
Participants wear an Oculus Quest 2 VR headset. They first perform a motor task to measure Real Reachable Distance (DMA-r). Then, they perform a perceptual task where they must judge, without moving, if a virtual object is reachable (DMA-p). The test evaluates different spatial planes (front, 45° right, 45° left) and heights (shoulder, navel).
Locations (1)
Institut Régional de Médecine Physique et de Réadaptation (IRR), Centre Louis Pierquin.
Nancy, France