Elon Musk’s company, Neuralink, has successfully implanted its revolutionary brain-computer interface in a second volunteer, this time a patient suffering from a spinal cord injury. The groundbreaking procedure is designed to enable paralyzed individuals to control digital devices using only their thoughts. According to a report from Reuters, Musk made the announcement on August 4, stating that the device, equipped with 400 electrodes, is now active.
Advanced Neural Technology
Neuralink’s website highlights that the implanted device uses up to 1,024 electrodes. These electrodes form the connection between the brain and a capsule-like receiver, attached behind the ear. This capsule operates similarly to a hearing aid, with the electrodes extending into the brain itself. The ultra-thin electrodes—each four times thinner than a human hair—are capable of receiving and transmitting neurological signals to control digital devices. The capsule processes information from thousands of electrodes through a 4×4 mm processor.
The First Milestone and Challenges
In January 2024, Neuralink implanted its first brain chip in a man who was paralyzed from the shoulders down after a diving accident. Following the implant, the man was able to play video games, engage in chess matches, browse the internet, and even post on social media using only his thoughts. However, the initial chip experienced setbacks when most of the thread-like electrodes shifted, causing the device to malfunction.
To address this issue, Neuralink is now testing a deeper implantation of the chip into the brain’s motor cortex, which may help improve its long-term functionality.
Future Plans
Neuralink plans to implant its brain chips in 10 more volunteers by the end of 2024. Additionally, the company aims to expand its clinical trials internationally, with planned applications in Canada and the UK. This advancement signals a leap forward in medical technology, potentially transforming the lives of millions suffering from paralysis and other neurological conditions.
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