Thursday, May 18, 2006

There Is No Green Dot!

I love visual illusions, and this one is really cool (via The Neurophile). I'd never seen it before.

As usual, looking at one visual illusion led to looking at more, and now I've got a headache. Once, I ran an experiment using after effects, and spent hours and hours looking at the stimulus as I was trying to perfect the Matlab code for the experiment. I had a headache for like three weeks.

Oh, and thank you Chicago and Vancouver folks for the restaurant recommendations. Does anyone in either of those cities drink, though? And Austin people, where are you? I know there are good restaurants and bars in that city, and I'm sure that someone reading this knows of at least one of them.

39 comments:

The Neurophile said...

So after looking at all those visual illusions, I found a paper going over one of the ones I cared about. One of its figures was presented as a stereogram to simulate something I couldn't figure out, because I've never been able to do stereograms.

Cue a half hour staring at my laptop cross-eyed until my skull explodes.

Chris said...

Oh, I know that experience all too well.

You know, I hung out in a vision lab in grad school for a while, and to this day, I wonder how all those vision researchers haven't gone blind.

The Neurophile said...

I don't know... but on a similar note, I find it intensely amusing that the defining physical feature of the haptic synthesis researcher I'm working with is that he has HUGE hands.

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Anonymous said...

How cool is this?? Eeee....now I have a headache. The dots do disappear! It works better with one eye covered.

Anonymous said...

Neat...it actually took quite a while for the pink dots to disappear....for a while I thought they never would, but my curiosity held out.

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