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Old 03-20-2010, 07:51 AM
Josh Josh is offline
Join Date: Jan 2010
Posts: 63
Count the milliseconds until the user presses a button?

Hi all

I want to count the milliseconds until a button is pressed. How can this be done?

Thanks a lot for hints
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Old 03-23-2010, 09:18 AM
Jeff Jeff is offline
WorldViz Team Member
Join Date: Aug 2008
Posts: 2,471
You may want to look into Cedrus response pads. Vizard supports them and they are designed for that kind of accuracy.
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Old 03-24-2010, 08:13 AM
JimC JimC is offline
Join Date: Jun 2009
Posts: 42

Does Vizard have any particular tricks for handling rendering latency when measuring RTs? I've generally smacked a photocell on the screen to trigger the RT measurement interval...
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