Neuralink, the company co-founded by Elon Musk, has successfully implanted a brain chip in a second patient. The implant, designed to allow paralyzed individuals to interact with digital devices using only their thoughts, marks a significant step forward in the field of neurotechnology. The patient, suffering from a spinal cord injury, received the device, which aims to restore communication and control over digital interfaces.
Revolutionary Technology in the Fight Against Paralysis
The implanted device consists of a capsule-receiver placed behind the ear, similar to a hearing aid, connected to the brain via thread-like electrodes. These electrodes, thinner than a human hair, are designed to detect and transmit neural signals. Neuralink reports that up to 1,500 electrodes are implanted in the brain, allowing the user to interface directly with digital platforms. With 1,024 electrodes currently active, the technology promises a new era for those affected by severe paralysis, offering a chance to regain control over their digital world.
First Chip Encountered Setbacks but Led to Improvements
Neuralink’s first brain chip, implanted in January 2024, was placed in a patient paralyzed from the shoulders down following a diving accident. The patient could play video games, browse the internet, and engage on social media using only their thoughts. However, complications arose a month later, as some of the chip’s electrodes shifted, impairing signal transmission. This experience drove Neuralink to refine their approach for the second implantation, focusing on improving the stability of the device within the motor cortex.
Plans for Future Expansion
Neuralink’s ambitions extend beyond these two patients. The company plans to expand its trials, with a goal of implanting devices in up to 10 volunteers by the end of 2024. Neuralink also seeks approval for testing in other countries, including Canada and the UK. If successful, these trials could revolutionize treatment options for individuals with spinal cord injuries, further bridging the gap between the brain and machines.
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