Three studies are reported that explore colour perception in migraine. In each , sensitivity for colours detected selectively by the S-cones and the L-and M -cones was assessed separately.The first study assessed the ...Three studies are reported that explore colour perception in migraine. In each , sensitivity for colours detected selectively by the S-cones and the L-and M -cones was assessed separately.The first study assessed the discrimination of s mall colour differences using the Farnsworth-Munsell 100-hue test.The second a ssessed threshold detection for purple, yellow, red and green targets on five eq uiluminant background colours. The third examined supra-threshold colour scalin g using two colour series, purple-yellow and red-green. Each study indicated t hat differences in colour perception between migraine and control groups were re stricted to colours detected by the S-cones, there were no differences in perfo rmance for colours detected by the L-and M-cones. The results are discussed in terms of possible pathologies in the early visual pathways.展开更多
文摘Three studies are reported that explore colour perception in migraine. In each , sensitivity for colours detected selectively by the S-cones and the L-and M -cones was assessed separately.The first study assessed the discrimination of s mall colour differences using the Farnsworth-Munsell 100-hue test.The second a ssessed threshold detection for purple, yellow, red and green targets on five eq uiluminant background colours. The third examined supra-threshold colour scalin g using two colour series, purple-yellow and red-green. Each study indicated t hat differences in colour perception between migraine and control groups were re stricted to colours detected by the S-cones, there were no differences in perfo rmance for colours detected by the L-and M-cones. The results are discussed in terms of possible pathologies in the early visual pathways.
