This article recently appeared on CNN.com. It discusses the growing use of brain-computer interface (BCI) technology and the accompanying ethical issues.
You can read the article, "The future of brain-controlled devices" here:
http://edition.cnn.com/2009/TECH/12/30/brain.controlled.computers/?imw=Y
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The development of the new technology by Contreras-Vidal and his team hold far reaching implications for those suffering with traumatic brain injuries spinal cord injuries, and degenerative brain and spinal cord disorders. Healthy volunteers have already demonstrated the ability to move cursors on a screen and to move an artificial arm using nothing more than their brain waves, the article said. The electrode cap gives scientists the ability to decode information from the entire brain, so even when a patient has suffered damage to one part of the brain, another part may compensate and still provide enough information to evoke movement by way of computer interfaces.
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