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Enabling High Grayscale Resolution Displays and Accurate Response Time Measurements on Conventional Computers

Article DOI: 10.3791/3312-v • 06:50 min • February 29th, 2012
February 29th, 2012 •
1, 2,3,4,5
1Center for Cognitive and Behavioral Brain Imaging, The Ohio State University, 2Department of Psychology, University of Southern California, 3Biomedical Engineering, University of Southern California, 4Neuroscience Graduate Program, University of Southern California, 5Department of Psychology, The Ohio State University

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Conventional computer hardware can not generate visual stimuli with sufficiently high grayscale resolution and measure response times with sufficient accuracy. We describe how to use the VideoSwitcher to produce high-resolution monochromatic displays, and the RTbox to measure response times with high accuracy on conventional computer hardware.

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Grayscale Resolution Displays Response Time Measurements Conventional Computers Vision Research Luminance Resolution Bit++ DataPixx Digital Visual Interface (DVI) Digital-to-analog Converters Analog Display Devices VideoSwitcher Red And Blue Channels Passive Resister Network Color Monitors Monochromatic Displays Trigger Signals Stimulus Onsets Physiological Recordings Computer Keyboards Mice RTbox USB Connection
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