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Creating anaglyphs

A big problem in psychological experiments is that the stimulus material is generally not very realistic. (For example, what do smileys really tell us about processing of emotional expressions?) This problem plagues my experiments as much as anybody else's. Therefore, in an attempt to add some extra realism to my stimuli I created anaglyphs today. Anaglyphs are images that convey a sense of 3d when viewed with red/blue (or sometimes red/ green) glasses. I'm not entirely sure yet if anaglyphs are suitable stimulus material, because they can be a little hard to view (they tend to look out-of-focus). But I guess I'll find out!

Here is a short video of the set-up that I used for creating the anaglyphs.