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Most artificial light
sources flicker. That is they turn on
and off repeatedly.
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The threshold is usually
given as 60 Hz.
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But that is a general
value. It depends upon many
factors such as brightness and size.
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So as brightness and size of
monitors increased. There is a need
to increase the frame rate. That is
happening on many displays today but not all.
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Bridgeman, B. (1998). Durations of stimuli displayed on video
display terminals: (n-1)/f+persitence.
Psychological Science, 9, 232-233.
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