Electrodes translate brain waves into words

The Utah study reported in the Journal of Neuroengineering shows promise for helping severely paralyzed patients communicate. A grid of microelectrodes was placed directly on a patient’s brain.

In a first step toward helping severely paralyzed people communicate more easily, Utah researchers have shown that it is possible to translate recorded brain waves into words, using a grid of electrodes placed directly on the brain.

Although they have only done it with one person and individual words can only be identified with accuracy in tests 50% of the time, the study reported Tuesday provides a ray of hope for people who can now communicate only by blinking, or wiggling a fingertip.

“This is quite a simple technology … based on devices that have been used in humans for 50 years now,” said bioengineer Bradley Greger of the University of Utah, the lead author of a report in the Journal of Neuroengineering.

Read more here Electrodes translate brain waves into words – latimes.com.

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