Brain Computer Interface Turns Mental Handwriting into Text on Screen

Summary

Thought-powered communication

Two tiny arrays of implanted electrodes relayed information from the brain area that controls the hands and arms to an algorithm, which translated it into letters that appeared on a screen. Credit: F. Willett et al./Nature 2021/Erika Woodrum

A new system

As the participant imagined writing a letter or symbol, sensors implanted in his brain picked up on patterns of electrical activity, which an algorithm interpreted to trace the path of his imaginary pen. Credit: F. Willett et al./Nature 2021

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