1971
DOI: 10.3758/bf03210320
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Simple time reaction as a function of luminance for various wavelengths

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1973
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Cited by 49 publications
(27 citation statements)
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“…Reaction time in this condition appeared to follow a saturation function. The results are described in terms of the operation of achromatic and chromatic processing channels.Previous data on the effect of wavelength on simple reaction time (RT) have been in remarkable accord: when chromatic lights are matched in luminance at photopic levels, and when these lights are presented on a dimmer, achromatic background, simple RT does not vary with wavelength (Finn & Lit, 1971;Holmes, 1926;Lit, Young, & Shaffer, 1971;Mollon & Krauskopf, 1973;Pollack, 1968).Because the chromatic stimuli in these experiments appeared on a less lurninant background, there were actually two cues accompanying stimulus onset on which subjects could base a response. They could respond to the luminance increment or to the chromo atic signal.…”
mentioning
confidence: 66%
“…Reaction time in this condition appeared to follow a saturation function. The results are described in terms of the operation of achromatic and chromatic processing channels.Previous data on the effect of wavelength on simple reaction time (RT) have been in remarkable accord: when chromatic lights are matched in luminance at photopic levels, and when these lights are presented on a dimmer, achromatic background, simple RT does not vary with wavelength (Finn & Lit, 1971;Holmes, 1926;Lit, Young, & Shaffer, 1971;Mollon & Krauskopf, 1973;Pollack, 1968).Because the chromatic stimuli in these experiments appeared on a less lurninant background, there were actually two cues accompanying stimulus onset on which subjects could base a response. They could respond to the luminance increment or to the chromo atic signal.…”
mentioning
confidence: 66%
“…However, contradictory findings by Fehrer and Raab (1962) and Lit, Young, and Shaffer (1971) found that reaction time progressively decreased to a final asymptotic value as the ambient illumination increased.…”
Section: Interactions Of Variables Affecting Visual Perceptionmentioning
confidence: 83%
“…Photometric quantities based on V() such as lux, lumens and candelas serve as reasonably good rectifying variables for many visual responses [2] including visual acuity [3], reaction times [4][5][6] and disability glare [7,8]. Photometry is less successful at rectifying responses such as brightness [9,10] and discomfort glare [8,[11][12][13][14][15][16][17].…”
Section: Introductionmentioning
confidence: 99%