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Tuesday, June 3, 2008

Taken care of and so you think: computers that read the mind

A group of investigators of the University of Carnegie Mellon is teaching to a computer to read the human mind by means of the interpretation of the scanned images of their brains in which they appear the representations of the words. The equipment of Pittsburgh thinks that this work can take to one better understanding of how and where the brain stores the information. On the other hand, they say that it would serve to improve the treatments of disorders of the language and other incapacities. “The question that we are trying to solve here is one that has become the humanity from always: how organizes the brain the knowledge? ”, Tom Mitchell said, of the equipment of the university. How it works? The team of scientists uses images obtained by magnetic resonance, and calibrate the computer with the aid of nine voluntary students who think about 58 different words, while the scanner shows in images its cerebral activity. Of these images the average images take control of each word and later the test begins. The computer must predict what the mind is saying through these words and the same with phrases is also made. Until now, the results of this experimiento have been satisfactory.

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