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Originally posted by Atzil321
Scientists Using functional Magnetic Resonance Imaging (fMRI) and computational models at UC Berkeley have succeeded in decoding and reconstructing people's dynamic visual experiences. Put simply they have created a technique to read minds, translating a persons thoughts onto a computer screen. The technology is in its infancy, but its not too hard to imagine the profound implications and ethical questions it poses if they can perfect the process. It has many practical applications.
Eventually, practical applications of the technology could include a better understanding of what goes on in the minds of people who cannot communicate verbally, such as stroke victims, coma patients and people with neurodegenerative diseases. It may also lay the groundwork for brain-machine interface so that people with cerebral palsy or paralysis, for example, can guide computers with their minds
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This set of paired images provided by Shinji Nishimoto of the University of California, Berkeley on Wednesday, Sept. 21, 2011 shows original video images, upper row, and those images reconstructed by computer from brain scans. While volunteers watched movie clips, a scanner watched their brains. And from their brain activity, a computer made rough reconstructions of what they viewed. Scientists reported that result Thursday, Sept. 22, 2011 and speculated such an approach might be able to reveal dreams and hallucinations someday. In the future, it might help stroke victims or others who have no other way to communicate, said Jack Gallant, a neuroscientist at the University of California, Berkeley, and co-author of the paper. (University of California, Berkeley, Shinji Nishimoto)
While this technology has great potential to offer a lot of people with various disabilities a new lease of life, it also has the potential to be used in some very frightening and sinister applications. Full article here:medicalxpress.com...edit on 23-9-2011 by Atzil321 because: (no reason given)
Originally posted by EmeraldGreen
..I wonder how long before they learn how to implant false memories or extract them..
Originally posted by MrRamblinRose
whoa, thats frighteningly orwellian, thought police anyone?
This video is organized as follows: the movie that each subject viewed while in the magnet is shown at upper left. Reconstructions for three subjects are shown in the three rows at bottom. All these reconstructions were obtained using only each subject's brain activity and a library of 18 million seconds of random YouTube video that did not include the movies used as stimuli. (In brief, the algorithm processes each of the 18 million clips through the brain model, and identifies the clips that would have produced brain activity as similar to the measured activity as possible. The clips used to fit the model, the clips used to test the model and the clips used to reconstruct the stimulus were entirely separate.) The reconstruction at far left is the Average High Posterior (AHP). The reconstruction in the second column is the Maximum a Posteriori (MAP). The other columns represent less likely reconstructions. The AHP is obtained by simply averaging over the 100 most likely movies in the reconstruction library. These reconstructions show that the process is very consistent, though the quality of the reconstructions does depend somewhat on the quality of brain activity data recorded from each subject. You can find more information about this work at our laboratory web site: gallantlab.org...