after image vs. after effect

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i was just wondering what an after image and an after effect is !

thanks

-- Melanie (melanien@yorku.ca), February 20, 2004

Answers

I suppose an afterimage is but one kind of perceptual aftereffect. Another one might be the waterfall effect, which isn't an "image" per se, but is, rather, an impression of movement.

-- Christopher Green (christo@yorku.ca), February 20, 2004.

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