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NeuroCognitive Bases of Tool Use

RecruitingNAAges 18 Years - 65 YearsAllHospices Civils de Lyon
NCT04566744 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Tool use is considered to be the hallmark of complex cognitive adaptations that humans have achieved trough evolution, that provides an adaptive advantage to the human species. Even if nonhuman species do use tools too, human tool use is much more complex and sophisticated. If humans have special abilities for tool use, it has to be grounded in a specific neuroanatomical substrate. Humans and nonhumans share a similar prehension system located within the superior parietal lobe and the intraparietal sulcus. However, there is a human specificity: the supramarginal gyrus within the left inferior parietal lobe is unique to humans, and could play a central role in tool use. This project aims to study the neurocognitive bases of human tool use with functional Magnetic Resonance Imaging (fMRI), to precise the cognitive mechanisms through which humans are able to use tools.

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📋 Eligibility rules (as published)
Inclusion Criteria: * To be between the ages of 18 and 65 years old * Having given an informed consent for the study Exclusion Criteria: * Pregnant or breastfeeding woman * Persons under curators or deprived of civil rights or deprived of their freedom * Not being registered with the French Social Security System * Not able to read/write the French * Neurologic or psychiatric illness, known or revealed during the inclusion visit * Substance intake ( taking psychoactive medications or recreational drugs) on the day of the experiment * Noise intolerance * Unable to fill a questionnaire (severe cognitive troubles) * Not willing that their personal doctor to be informed in case of a MRI anomaly. * Not willing to be informed in case of MRI anomaly * Subjects must not have metallic or electronic implants in the body : pacemakers or pacemaker wires, open heart surgery, artificial heart valve, brain aneurysm surgery, middle ear implant, hearing aid, braces or extensive dental work, cataract surgery or lens implant, implanted mechanical or electrical device, or artificial limb or joint o foreign metallic objects in the body (bullets, pellets, shrapnel, or metalwork fragments) or current or past employment as machinists, welders or metal workers, tattoos near the head or neck regions, permanent makeup * Not willing to complete the study * Appearance of a exclusion criterion during the protocol * Appearance of an undesirable event preventing the completion of the protocol * Too great head movements (\>4mm for the session) * Detection of artifacts in the brain images collected
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What it tests

  • fRMI
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Where

1 site
CERMEP
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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