Functional MRI scanners have been used in cognition research primarily to determine which brain areas are active while test subjects perform a specific task. The question is simple: is a particular brain region on or off? A research group at the Donders Institute for Brain, Cognition and Behaviour at Radboud University has gone a step further: they have used data from the scanner to determine what a test subject is looking at.
Computer can read letters directly from the brain
Sanne Schoenmakers, Markus Barth, Tom Heskes, Marcel van Gerven. Linear reconstruction of perceived images from human brain activity. NeuroImage, 2013; DOI: 10.1016/j.neuroimage.2013.07.043
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