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Touching the World With a Cane: Cognitive and Neural Processes

RecruitingNAAges 18 Years - 60 YearsAllHospices Civils de Lyon
NCT05199896 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

The use of tools is ubiquitous in our lives and allows us to expand the sensorimotor capacities of our body. Much research has been done on the subject in sighted people over the past decades. This work has mainly focused on the motor aspect of using the tool, neglecting the sensory aspect. However, any action involving a tool carries sensory information, for example in the use of the white cane by blind people. 26% (\> 200,000) of blind people in France use a white cane to get around. By sweeping the cane on the ground, they use it as a sensorimotor extension of their body to extract information from the environment in order to locate a pedestrian crossing or possible obstacles. While it is well established that the tools increase the user's motor skills, we have only just begun to clarify how they also function as sensory extensions of the user's body and how this phenomenon is potenti

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📋 Eligibility rules (as published)
Inclusion Criteria: * Man or woman, aged 18 to 60 years old * Give an informed consent by signature * Be part of the national health security system (registered to the Securité Sociale) * do not confuse his right and his left Specific of the non-sighted participants: * Loss of vision happened at birth or 3-to 5 years later minimum in life * Must have a visual acuity inferior or equal to 4/10 * Be with a close relation for read information letter and sign the consent form if needed Exclusion Criteria: * A person presenting an history of neurological, psychiatric or linguistic problems cannot be admitted * Assumption of psychotropic drugs * Pregnancy or breast-feeding woman * A person under legal tutoring * A person under care in other medical structure for reasons different from those of this research * A person under administrative or judiciary contention * A person who is not eligible to a MRI-exam according to the following criteria cannot be admitted to the experiments including MR acquisitions : * Have a neurological, cardiac (battery) or defibrillator pacemaker * Have a cardiac prosthesis (valve, stent...) or vascular prosthesis * Have intracranial clips or clamps * Carry a bypass of the cerebrospinal fluid * Having metallic splinters in the eyes * Wear metal prostheses (teeth, knees) * Wear an infusion pump or system * Be claustrophobic or have respiratory problems * Have metal tattoos close to the head * Have permanent make-up
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What it tests

  • Behavioral protocol
  • EEG protocol
  • fMRI protocol
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Where

1 site
Equipe IMPACT du CRNL, Bâtiment INSERM
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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