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Enhanced Brain-Computer Interface Elevates Realism in Prosthetic Limb Sensation
- Researchers led by Charles Greenspon at the University of Chicago have developed brain-computer interfaces (BCIs) that can replicate the complex sensations of touch.
- These devices utilize direct electrical stimulation of the brain to create the experience of pressure, texture, and motion in a prosthetic limb.
- The technology centers on implanting tiny electrode arrays in the brain to corresponding regions of tactile perception.
- By stimulating individual electrodes, researchers create maps of the brain that correlate with specific sensations in the limb.
- This can help users detect fine textures and pressure when gripping objects.
- Researchers have also discovered a method of activating multiple electrodes to mimic motion, such as the gliding of a surface across the skin.
- These advancements aim to enhance the granularity of touch perception across a wider area of the hand.
- Future applications promise immediate benefits to individuals with limb amputations or other sensory impairments.
- Researchers are also considering the broader relevance of their findings, such as developing implants to restore touch sensation post-mastectomy.
- These innovations have the potential to transform the fabric of interactions for individuals challenged by limb loss or sensory dysfunction.
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