Diurnal pattern of luminance discrimination in humans |
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Authors: | Tassi P Pellerin N Muzet A |
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Institution: | Centre d'Etudes de Physiologie Appliquée, Strasbourg, France. |
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Abstract: | The visual discrimination threshold can be considered as an image of the resolution power of the visual system. Measured with a psychophysical method, it shows a diurnal pattern with a low threshold in the morning, i.e., high sensitivity and an increase in the afternoon that persists until the early evening. |
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