Re: persistent reversed depth perception

Glen M. Sizemore wrote:
Please explain - without jargon - what you are talking about.

"c.smith" <c.smith@xxxxxxxxxxxx> wrote in message news:9ULCf.11426$343.5419@xxxxxxxxxxxxxxxxxxxxxxx
after viewing pseudoscopic images i have experienced a transfer from
pseudoscopic direct viewing to normal binocular vision.Is there a way of
reversing this phenomenon


chris



I think OP is referring to the illusion of seeing a concave shape as a convex one, or vice versa. One of the most spectacular of these is a hollow mask rotated against a dark background and with a fairly strong sidelight falling on it. As it rotates, the concave side appears to become convex, which is the normal perception of a mask.

I guess that OP subjected himself to such an illusion, and his normal depth perception was reversed. I speculate that he trained himself to see the concave as concave rather than convex. I speculate further, that his depth perception reverted to normal fairly quickly, probably within a less than a day.

HTH
.

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