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. 2016 Mar 22;10:19. doi: 10.3389/fncir.2016.00019

FIGURE 3.

FIGURE 3

Dark-adapted hdcJK910 photoreceptors’ voltage responses to brief (10 ms) light pulses rise wild-type-like but decay slower. (A) Schematic shows how in vivo microelectrode recordings were performed from R1–R6 photoreceptors. (B) Photoreceptors’ voltage responses to Bright, Mid, and Dim 10 ms light pulses. Mutant photoreceptors (red) took longer time than the wild-type (black) to repolarize. (C) Response time-to-peak of hdcJK910 and wild-type photoreceptors was typically similar (0.057 < p < 0.961, two-tailed t-test). (D) Average response of hdcJK910 photoreceptors typically lasted longer than that of the wild-type in experiments using brighter flashes. (pLog-4 = 0.017; pLog-3 = 0.030; pLog-2 = 0.350; pLog-1 = 0.020; pLog-0.5 = 0.025; pLog0 = 0.033, one-tailed t-test). (E) Average response amplitudes of hdcJK910 photoreceptors were wild-type-like (0.071 < p < 0.727, two-tailed t-test). (B–E): Mean ± SEM; nwild-type = 9, nhdc = 8. All recordings performed at t = 19°C.