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Figure 5


Fig. 5. Responses of TuTu1 to dorsal polarized light. (A) Intracellular recording traces of a TuTu1 during stimulation with three polarized monochromatic lights at 9.0x109 photons cm–2 s–1. (B) Relative spiking activities at {Phi}max (open bars) and response strength R (solid black bars) in response to three polarized monochromatic lights (means ± s.e.m.), *P<0.05; **P<0.01 (t-test). (C,D) Intensity/response curves of neural activity at {Phi}max (C) and response value R (D) in response to dorsally presented polarized blue (450 nm) light. Symbol shapes represent different recordings. Maximum intensity (logI=0) is 10.6x1012 photons cm–2 s–1. Solid lines show fits of Naka–Rushton functions with the fitting parameters rAmax=0.96, K=–4.26 log units, n=0.58 (C) and rRmax=0.90, K=–3.19 log units, n=0.66 (D). Broken line in C indicates background activity.





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