... , detect polarized light through a specialized dorsal rim area (DRA) in their compound eye. To better understand retinal mechanisms underlying visual navigation, we compared opsin expression, spectral and polarization sensitivities and response–stimulus intensity functions in the DRA and main retina...

... by The Company of Biologists Ltd 2013 Limulus photoreceptors dark adaptation light adaptation circadian rhythm G q α translocation arrestin translocation opsin expression Dark and light adaptation are processes that change the sensitivity of photoreceptors to light and permit them...