Mesurés de la fonction de sensibilité à la modulation spectrale pour deux observateurs normaux avec écrans cathodiques

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We have measured the sensitivity of the human visual system to chromatic stimuli of single chromatic frequency, ranging from 0.2 to , and for eight initial phases from to . The optimal phase curves obtained for two observers show a CSF-type shape, with minima at certain frequencies which did not appear in previous computational predictions. The implications of a value of the cut-off frequency of somewhat less than are also discussed.