Technology

Throat Talkin'

By Susan KruglinskiJul 25, 2004 12:00 AM

Newsletter

Sign up for our email newsletter for the latest science news
 

Scientists at NASA’s Ames Research Center are developing a way to communicate silently, using only the throat and tongue. Talking without moving the mouth is called subvocal speech; you may do it unconsciously when you read or think. Using sensors attached to the throat, Chuck Jorgensen of NASA can detect the nerve signals that fire during subvocal speech and translate them into words. So far the system recognizes only a limited vocabulary, but it works. The goal is to facilitate communication in situations where ambient noise, the need for privacy, or physical impediments make it impractical to speak out loud. Astronauts, for example, often have trouble speaking due to pressure changes in the vocal cavity and swelling of the throat. “We are looking at the direct connection from nervous system to machine, bypassing the requirement for the physical body,” says Jorgensen, who heads NASA’s Extension of the Human Senses program. “There is no visible outside movement at all; I think that’s kind of cool.” If he can perfect his subvocal speech reader, people ranging from spies to stroke victims may agree.

1 free article left
Want More? Get unlimited access for as low as $1.99/month
Already a subscriber? Log In or Register
1 free articleSubscribe
Want unlimited access?

Subscribe today and save 70%

Subscribe

Already a subscriber? Log In or Register
More From Discover
Recommendations From Our Store
Shop Now
Stay Curious
Join
Our List

Sign up for our weekly science updates.

 
Subscribe
To The Magazine

Save up to 70% off the cover price when you subscribe to Discover magazine.

Copyright © 2021 Kalmbach Media Co.