This is really remarkable. Scientists at UC Berkeley used functional magnetic resonance imaging (fMRI) to scan the brains of members of their own team while the subjects watched movie trailers, after which the scans were run through computer analysis to try to reconstruct them by combining a large selection of YouTube videos that did not include the clips in question. The results were far from perfect, but way better than I’d have expected. Previous work along these lines was with black-and-white still pictures; this time it’s moving video in color. Below you can see samples of the original video together with the attempted reconstruction from the brain scans:

For more, see Berkeley’s press release.

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