The math behind visual hallucinations

Try staring at that spiral honeycomb animation for 30 seconds and then look a white wall. Bet what you see isn't what you expected.

I showed this to a friend of a friend and he attested it to be amazingly accurate. Also it would make an awesome app if you could apply these transformations to a videostream of your phone, augmented reality style. So you can experience the visual aspect of consuming hallucinogens without any drawbacks.

A follow-up that deals with how the mapping was derived from the structure of V1: <a href="http://intothecontinuum.tumblr.com/post/19813076775/did-you-choose-this-coordinate-transformation-at-random" rel="nofollow">http://intothecontinuum.tumblr.com/post/19813076775/did-you-...</a>

yes! when I close my eyes I usually see something like a checkerbord spiral, only not rotating, and there are several of them centered around different points and intersecting.