Neuralink, the neurotechnology company spearheaded by Elon Musk, has shared an encouraging update regarding the second participant in its pioneering human trials. The update highlighted that, in a positive development, there has been no evidence of “thread retraction” in this individual. Neuralink’s technology involves embedding a chip into the brain, enabling individuals with paralysis to manipulate devices, surf the web, and play video games using only their thoughts.
The first human trial, conducted in January, was initially successful, but some issues arose when the implanted threads began to retract from the brain tissue, subsequently diminishing the device’s ability to capture brain signals.
To address this, Neuralink implemented several precautionary measures for the second patient, named Alex. The team aimed to minimize brain movement during the operation and decreased the space between the implant and the brain’s surface. These adjustments appear to have been effective, as no thread retraction has been observed in Alex thus far.
Regarding the first patient, Neuralink has refined an algorithm to enhance the implant’s signal detection and translation capabilities following the thread retraction issue. The company reports that the threads have since stabilized, and the functionality of the implant has been restored.
Remarkably, just weeks after his surgery in July, Alex has been able to utilize computer-aided design (CAD) software to create a custom mount for his Neuralink charger. The design was brought to life through 3D printing, and he has integrated it into his personal setup. Additionally, Alex has improved his gameplay in Counter-Strike 2 by using his implant in tandem with a mouth-operated joystick, allowing him to move and aim simultaneously.
Neuralink is actively working on enhancing the chip’s capabilities to decode multiple clicks and movements, aiming to replicate the full functionality of a mouse and video game controller. The company is also developing algorithms designed to recognize the intent to write by hand, which could significantly expedite text entry. This advancement would be particularly beneficial for individuals who are unable to speak, such as those with ALS, by facilitating easier communication.
Looking ahead, Neuralink envisions expanding the functionality of its implants to interact with the physical world. This would empower users to operate their own wheelchairs or control robotic hands for self-feeding and personal care, furthering the company’s mission to augment human capabilities through advanced neural technologies.
