Re: perception question

[Robert Herdegen]

>Does anyone here know why it is that the numbers on a digital clock (and
>some images on a television screen) appear to jiggle when a person is
>using an electric toothbrush?
>
>I was asked this question in cognition class.
>
>Thank you.
>
>Faith Florer
>
>Faith Florer, Ph.D., Adjunct Asst. Professor Marymount College and NYU.
>http://www.river.org/~flf/Faith.html

Maybe we should begin by asking what the electric toothbrush is being used for....

;-)

Bob

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Robert T. Herdegen III
Department of Psychology
Hampden-Sydney College
Hampden-Sydney, VA 23943
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