A brain implant has enabled a paralysed man to feed himself and drink from a cup, marking a groundbreaking step in paralysis recovery. Keith Thomas, who suffered a spinal cord injury in a swimming accident, now uses a brain-computer interface to move his arms and feel touch again.
How the Brain Implant Works
The technology, called a double neural bypass, involves implanting electrodes in the brain. These electrodes detect when Thomas intends to move, then route signals directly to his arms and hands. Simultaneously, the system sends sensory feedback back to his brain, recreating the sensation of touch.
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Key Features of the Neural Bypass
- Restores voluntary movement in paralysed limbs
- Recreates the sense of touch through sensory feedback
- Partially rewires the nervous system for lasting effects
Comparison of Traditional vs. Neural Bypass Treatments
| Treatment | Movement Restoration | Touch Sensation | Long-Term Improvement |
|---|---|---|---|
| Physical Therapy | Limited | No | Minimal |
| Spinal Stimulation | Partial | Occasional | Moderate |
| Double Neural Bypass | Significant | Yes | Lasting |
Real-World Impact on Daily Life
Thomas, now able to feed himself and drink independently, has also felt his sister’s hand and his dog’s fur. This breakthrough offers hope to millions with spinal cord injuries. Prof Chad Bouton, lead researcher, calls it an "incredible moment" for medical science.
FAQ
What is a brain implant for paralysis?
A brain implant is a device that uses electrodes to read brain signals and bypass spinal cord injuries, allowing paralysed patients to move limbs and feel touch.
How does the double neural bypass work?
It uses implanted electrodes to detect movement intentions, sends signals to the limbs, and returns sensory feedback to the brain, creating a two-way communication loop.
Can the effects last after the system is off?
Yes, the technology has partly rewired Thomas’s nervous system, leading to some restored hand function and sensation even when the implant is switched off.
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