Mark noted this interesting and alarming development:
UC Berkeley scientists have developed a system to capture visual activity in human brains and reconstruct it as digital video clips. Eventually, this process will allow you to record and reconstruct your own dreams on a computer screen.
...In this other video you can see how this process worked in the three experimental targets. On the top left square you can see the movie the subjects were watching while they were in the fMRI machine. Right below you can see the movie "extracted" from their brain activity. It shows that this technique gives consistent results independent of what's being watched—or who's watching. The three lines of clips next to the left column show the random movies that the computer program used to reconstruct the visual information.
Right now, the resulting quality is not good, but the potential is enormous.
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