Mind control of computer

[Andre Kesteloot]

 From the current AFIO Bulletin

BRAIN SENSOR ENABLES THOUGHTS TO CONTROL COMPUTER 
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A man who is paralyzed in all four limbs was able to move a computer 
cursor, open e-mail and control a robotic arm just by thinking about it. 
The man has been implanted with the Brain Gate, a tiny silicon chip with 
100 electrodes inserted into the area of the brain responsible for 
movement, which transmits brain activity via electronic signals that a 
computer can translate into motion. Brain Gate was developed by 
Cyberkinetics Neurotechnology Systems Inc in Massachusetts. The man is 
the first of four patients who will be testing the device. "This is the 
dawn of major neurotechnology where the ability to take signals out of 
the brain has taken a big step forward. We have the ability to put 
signals into the brain but getting signals out is a real challenge. I 
think this represents a landmark event," said Professor John Donoghue of 
Brown University in Rhode Island and the chief scientific officer of 
Cyberkinetics. Stephen Ryu, a researcher at Stanford University Schools 
of Medicine and Engineering has developed a faster method for processing 
brain signals to prosthetic devices and says, "Our research is starting 
to show that, from a performance perspective, this type of prosthetic 
system is clinically viable." [Reuters 
<http://today.reuters.com/news/newsArticle.aspx?type=scienceNews&storyID=2006-07-12T173910Z_01_L12711624_RTRUKOC_0_US-SCIENCE-BRAIN.xml> 
12Jul06/Reaney]
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