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Sensori-motor and Perceptual Functions of the PPC.

RecruitingNAAges 18 Years - 75 YearsAllHospices Civils de Lyon
NCT03286686 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

To produce hand's movement directed towards a target, the investigator must combine several sensory information, such as vision or proprioception. The posterior parietal cortex (PPC) is a region of the cortex involved in this multisensory integration. A lesion of the PPC cause a visuo-motor trouble called optic ataxia but these patients also have perceptual troubles. The aim of the study is to understand the different functions of the PPC and especially how the processes of spatial coding of the sensory information influences perception and motor planning. In this study, the investigator want to explore the sensory motor and the perceptual performance of patients with optic ataxia compared with healthy subjects, using 6 behavioral tests. Objectify the consequences of PPC impairment (visual-motor and perceptual consequences) on patients' quality of life and autonomy.

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📋 Eligibility rules (as published)
Inclusion Criteria: All patients and healthy subjects: * male and female, age from 18 to 75 years included * normal vision or corrected vision * covered by social security * signed written informed consent Patients: * neurological injury in posterior parietal cortex supported by a cerebral MRI * present optic ataxia symptoms Healthy subjects * no known neurological injury Exclusion Criteria: \- unable to comply with the tasks (neurological, psychiatric, sensory or motor troubles)
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What it tests

  • point targets
  • tactile stimulation
  • visual images
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Where

1 site
U1028 INSERM - CNRS UMR 5292 Equipe ImpAct
Bron, France
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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