Rapid Adaptation of Night Vision

Apart from the well-known loss of color vision and of foveal acuity that characterizes human rod-mediated vision, it has also been thought that night vision is very slow (taking up to 40 min) to adapt to changes in light levels. Even cone-mediated, daylight, vision has been thought to take 2 min to...

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Published inFrontiers in psychology Vol. 9; p. 8
Main Authors Reeves, Adam, Grayhem, Rebecca, Hwang, Alex D
Format Journal Article
LanguageEnglish
Published Switzerland Frontiers Media S.A 23.01.2018
Subjects
adaptation
HDR
mesopic vision
Psychology
scotopic vision
vision recovery
adaptation
vision recovery
mesopic vision
scotopic vision
HDR
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Summary:Apart from the well-known loss of color vision and of foveal acuity that characterizes human rod-mediated vision, it has also been thought that night vision is very slow (taking up to 40 min) to adapt to changes in light levels. Even cone-mediated, daylight, vision has been thought to take 2 min to recover from light adaptation. Here, we show that most, though not all adaptation is rapid, taking less than 0.6 s. Thus, monochrome (black-white-gray) images can be presented at mesopic light levels and be visible within a few 10th of a second, even if the overall light level, or level of glare (as with passing headlamps while driving), changes abruptly.
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Edited by: John J. McCann, McCann Imaging, United States
Reviewed by: Leonard Temme, United States Army Aeromedical Research Lab, United States; Rajaram Bhagavathula, Virginia Tech, United States
This article was submitted to Perception Science, a section of the journal Frontiers in Psychology
ISSN:1664-1078
1664-1078
DOI:10.3389/fpsyg.2018.00008