Welcome your primate overlords: One monkey controlled the movements of another via brain waves

Mom can use to control children brain waves in future.


In a development that could someday help paralyzed people regain movement, researchers used a monkey’s brain waves to control the actions of another monkey. They published their work in Nature Communications (subscription required) today.

The team, which is based out of Harvard Medical School, placed electrodes in the master monkey’s brain and the unconscious “avatar” monkey’s spinal cord. The master’s brain waves were converted into electrical signals that stimulated different electrodes in the avatar’s spine, causing the monkey to move its body despite being unconscious.

The researchers focused on moving the avatar’s hand, which was strapped to a joystick. The master monkey could see a cursor on a screen, which was controlled by the joystick. By thinking about moving the cursor, the master caused the avatar to move the joystick.

The cursor can only move up or down at the moment, but the master monkey was able to move the…

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