Re: [ILLUSION]: dear god, make it stop...

From: Karen Rand Smigrodzki (Karen@smigrodzki.org)
Date: Sun Jul 27 2003 - 12:26:00 MDT

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    *I* can't get this one to disappear by tilting my head.

    ----- Original Message -----
    From: "Lee Corbin" <lcorbin@tsoft.com>
    To: <extropians@extropy.org>
    Sent: Sunday, July 27, 2003 12:09 AM
    Subject: RE: [ILLUSION]: dear god, make it stop...

    > Karen writes
    >
    > > If you stare at it in the center, without
    > > blinking, the appearance of movement disappears.
    >
    > It does appear to depend on eye movement or blinking.
    >
    > Brendan provides a nice link to another one too:
    >
    > http://www.psy.ritsumei.ac.jp/~akitaoka/index-e.html
    >
    > For *this* one, I notice that if I tilt my head 45 degrees
    > the phenomenon disappears. This should be a hint as to
    > what the mechanism is (edge detectors or whatever).
    >
    > Lee
    >

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