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. Author manuscript; available in PMC: 2016 Jan 7.
Published in final edited form as: Nature. 2015 May 14;521(7551):186–191. doi: 10.1038/nature14446

Figure 2. Ellipsoid body is not a retinotopic map of visual scene, but represents fly's orientation relative to visual landmarks.

Figure 2

a, Closed-loop experiment in visual environment with multiple features (Fly 1 in b). b, Mean and S.D. of number of bumps across trials for each of 9 flies. c, Mean and S.D. of FWHM of bump. Distribution of bump widths is not significantly different from that for single stripe stimulus (Fig. 1k); p = 0.14 (see Methods), mean width = 84.9° ± 12.6° for multiple feature trials versus 82.3° ± 11.5° for single stripe trials. d, EBw.s fluorescence transients (same trial as a). e, PVA estimate of fly's angular orientation compared to actual orientation. f, Mean and S.D. of angular offsets (see Methods, Extended Data Fig. 3e, f). g, Correlation between PVA estimate and actual orientation. Scale bar: 20 μm.