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Enabling High Grayscale Resolution Displays and Accurate Response Time Measurements on Conventional Computers
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06:50 min
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February 29, 2012
DOI:
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
Summary
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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 DisplaysResponse Time MeasurementsConventional ComputersVision ResearchLuminance ResolutionBit++DataPixxDigital Visual Interface (DVI)Digital-to-analog ConvertersAnalog Display DevicesVideoSwitcherRed And Blue ChannelsPassive Resister NetworkColor MonitorsMonochromatic DisplaysTrigger SignalsStimulus OnsetsPhysiological RecordingsComputer KeyboardsMiceRTboxUSB Connection
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Cite this Article
Li, X., Lu, Z. Enabling High Grayscale Resolution Displays and Accurate Response Time Measurements on Conventional Computers. J. Vis. Exp. (60), e3312, doi:10.3791/3312 (2012).
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