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Figure Caption
Fig. 6
Chromatic responses in bipolar cells of in vivo zebrafish larvae.
( a) Drawing illustrating the expression of the genetically encoded Ca2+ biosensor SyGCaMP6f in bipolar cell terminals (left) of tg(1.8ctbp2:SyGCaMP6f) zebrafish larvae and scan field of inner plexiform layer (IPL; right), with exemplary regions-of-interest (ROIs) marked by white circles. ( b) Mean Ca2+ traces (black; n = 6 trials in grey) in response to red, green, blue and UV full-field flashes (90 × 120 degrees visual angle, presented to the fish’s right side). ( c) Mean Ca2+ traces (black; n = 4 trials in grey) in response to full-field sine modulation (at 1 Hz) of red, green, blue and UV LED.
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