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The state of care for ALS

ALS and eye-tracking tech

Look to spell and speak

Emotiv's EEG headset

Think and do

On/off and dimming lights

More freedom from ALS

App interface

EEG sensors

Calibrating the mind

Team Gleason

ALS patient Eric Valor in his bed in Aptos, Calif. While his brain remains sharp, he can't carry out most functions on his own since becoming paralyzed by the condition, also known as Lou Gehrig's Disease.

Valor took part in an experimental project this year that successfully used a wireless headset that reads brain waves to allow him to request medical help and control the lights or television simply by thinking commands.

Caption by / Photo by James Martin/CNET

Using current state-of-the-art eye tracking technology, Valor can "speak" by looking at, and pausing very briefly on, a letter displayed in a matrix on his monitor. This lets him build words and sentences that are then spoken by his computer.

Caption by / Photo by James Martin/CNET

This monitor, mounted above Valor's bed, provides the keyboard and screen with which he can interact.

Caption by / Photo by James Martin/CNET

A wearable headset, along with an app co-developed by Philips and Accenture, processes brain signals to control on/off switches linked to devices such as a television or lights.

Caption by / Photo by James Martin/CNET

Demonstrating Emotiv's headset at the Accenture offices in San Jose, Calif.

Caption by / Photo by James Martin/CNET

Brain commands, simple thoughts calibrated to the specific user, can perform tasks like turning lights on and off and even dimming them.

Caption by / Photo by James Martin/CNET

The brain control EEG technology interface has the power to give ALS patients back some of their freedom, says Eric Valor.

Caption by / Photo by James Martin/CNET

A view of the Android app co-developed by Philips and Accenture.

Caption by / Photo by James Martin/CNET

The 14-point contact brain interface reads EEG electrical signals from the brain.

Caption by / Photo by James Martin/CNET

CNET's Kara Tsuboi is fitted with a version of Emotiv's Insight brain-wave-reading headset, a consumer device used for simple games and even flying toy helicopters.

Caption by / Photo by James Martin/CNET

Valor at his home, where he keeps a T-shirt produced by Team Gleason, an advocacy group created by ALS patient and former NFL player Steve Gleason. It bears the motto "No White Flags."

Caption by / Photo by James Martin/CNET
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