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Thanks Anne and Howard for shared enjoyment of our morning together. Yes, indeed stereograms are, like ambiguous figures, a good way to notice how much we live in virtuality all the time. The images presented to the two eyes give the brain ambiguous (in fact conflicting) information which it (in some people) resolves by creating a sense of depth. There are some figures illustrating this in the notes for a class I teach at Bryn Mawr.

Speaking of this, "more such sessions" are available through one of the other summer institute programs: Brain and Behavior. Delighted to have you/others join me there.

If anyone is watching carefully, I made some minor changes in the morning notes to reflect thoughts afterward. The title is now "Between Reality and the Virtual ..." instead of "Between Reality and Virtuality ..." and there are related changes in the "Bottom Line". The point is to use the term "virtuality" for the space between the "real" and "the virtual".