NDLI: Response time to colored stimuli in the full visual field

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Response time to colored stimuli in the full visual field

Content Provider	NASA Technical Reports Server (NTRS)
Author	Dawson, L. M. Galvan, T. Haines, R. F. Reid, L. M.
Copyright Year	1975
Description	Peripheral visual response time was measured in seven dark adapted subjects to the onset of small (45' arc diam), brief (50 msec), colored (blue, yellow, green, red) and white stimuli imaged at 72 locations within their binocular field of view. The blue, yellow, and green stimuli were matched for brightness at about 2.6 sub log 10 units above their absolute light threshold, and they appeared at an unexpected time and location. These data were obtained to provide response time and no-response data for use in various design disciplines involving instrument panel layout. The results indicated that the retina possesses relatively concentric regions within each of which mean response time can be expected to be of approximately the same duration. These regions are centered near the fovea and extend farther horizontally than vertically. Mean foveal response time was fastest for yellow and slowest for blue. Three and one-half percent of the total 56,410 trials presented resulted in no-responses. Regardless of stimulus color, the lowest percentage of no-responses occurred within 30 deg arc from the fovea and the highest within 40 deg to 80 deg arc below the fovea.
File Size	1896926
Page Count	27
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19750010820
Archival Resource Key	ark:/13960/t3kx05s7z
Language	English
Publisher Date	1975-03-01
Access Restriction	Open
Subject Keyword	Behavioral Sciences Color Vision Thresholds Perception Dark Adaptation Human Reactions Reaction Time Visual Stimuli Retina Visual Discrimination Visual Perception Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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