Neuralink's first implant partly detached from patient's brain
Source: Guardian
Neuralink’s first attempt at implanting its chip in a human being’s skull hit an unexpected setback after the device began to detach from the patient’s brain, the company revealed on Wednesday.
The patient, Noland Arbaugh, underwent surgery in February to attach a Neuralink chip to his brain, but the device’s functionality began to decrease within the month after his implant. Some of the device’s threads, which connect the miniature computer to the brain, had begun to retract. Neuralink did not disclose why the device partly retracted from Arbaugh’s brain, but stated in a blogpost that its engineers had refined the implant and restored functionality.
The decreased capabilities did not appear to endanger Arbaugh, and he could still use the implant to play a game of chess on a computer using his thoughts, according to the Wall Street Journal, which first broke the news of the issue with the chip. The possibility of removing the implant was considered after the detachment came to light, the Journal reported.
Arbaugh’s implant began running into problems in late February, according to Neuralink’s blogpost, when an undisclosed number of the chip’s threads “retracted from the brain, resulting in a net decrease in the number of effective electrodes”. This decreased the device’s bits per second, which is essentially a gauge of how well the implant could perform its tasks.
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Read more: https://www.theguardian.com/technology/article/2024/may/09/neuralink-brain-chip-implant
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