Science Illustrated

Robotic arm moves by the power of thought

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In the future, it will be easier to control devices only by the power of thought, because Neuralink’s thousands of electrodes allow us to better identify specific thought commands and translate them into highly accurate actions such as controllin­g a robotic arm. Electrodes are sewn into motor centre

The customised sewing machine sews up to 96 threads that are 10 times thinner than a human hair into the motor centre, where the nerve signals are decoded. Each thread is a bundle of cables with a total of 32 electrodes with only 0.05mm between them, a total of 3072 electrodes.

Electrodes register what the brain wants

The brain’s motor centre is sending nerve signals even before the motion begins, as the patient starts to think about moving his/her arm. The electrodes in the motor centre pick up the specific combinatio­n of nerve signals that identify the wish to move the arm.

Brain’s wish is converted into instructio­ns

The thin cables lead to a computer chip located on the skull under the skin. The electronic circuits convert the nerve signals into electric impulses that are forwarded to a robotic arm. When the patient thinks about moving his/her arm, the brain chip instructs the robotic arm to do so.

 ??  ?? Motor centre
Skull
Motor centre with nerve signals
Skull
Computer chip
Cables
Thread with electrodes
Nerve signals are read.
The robotic arm moves
Motor centre Skull Motor centre with nerve signals Skull Computer chip Cables Thread with electrodes Nerve signals are read. The robotic arm moves

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