Brain implanted chip idea control 瘫痪 limbs come true

Ian Burkhart, 24, had a head squat below the head five years ago due to a diving accident. Today, he regains control of his limbs, not only with straws, cans, but also electric guitars. All this is attributed to the brain-implanted chip and nerve decoding device, which allows nerve messages to bypass the injured spine and directly stimulate the hand muscles. The study pointed out that this was the first successful case of limb recovery in cases of severe paralysis.

Ian Burkhart began experimenting two years ago. The chip implanted in the brain consists of 96 “filament-like microelectrodes” that record the emission of individual neurons and then decode the nerve emission of different actions through “neural assistive devices”. The mode transmits the decoded motion command directly to the muscle to complete the continuous hand movement.

Neuroprosthetic devices use Neural bypass technology to send messages from the brain's motor cortex to bypass the injured nervous system and directly stimulate the muscles to achieve a recovery effect. This device has successfully decoded and emotionally related neural signals, and allows primates and humans to control computers and robotic arms through mind.

This experiment faced many challenges after the chip was implanted in the brain. For example, although the same action is taken, the signals from the nerves are different each time. In order to successfully interpret the actions represented by the neural signals, the device has a machine-learning algorithm to adapt to changes in the neural signals. In addition to the constant learning of the machine, for Bukhart, the training process must be very focused in order to complete actions that did not require thinking in the past. “But it's like sports, it's getting easier and easier after trying,” Bukhart said.

The results of the experiment are really exciting, but this new technology is still limited. For example, the device currently needs to be operated in the lab, and there is still a long way to go before the device is carried. The doctors who participated in the experiment also hope that the system will be more practical, affordable and less invasive, and hope that these visions can be realized through wireless network technology in the future.

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