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Sunday, September 01, 2013

Memory from brain images

How to reconstruct from brain images which letter a person was reading
August 24, 2013

Each letter is predicted using models trained on fMRI data for the remaining letter classes to improve the reconstructions. Researchers from Radboud University Nijmegen in the Netherlands have succeeded in determining which letter a test subject was looking at. They did that by analyzing the corresponding functional magnetic resonance imaging (fMRI) scanned images of activity in the visual cortex of the brain, using a linear Gaussian mathematical model. The researchers “taught” the model how … more…

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