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. Author manuscript; available in PMC: 2019 Jan 22.
Published in final edited form as: Curr Biol. 2018 Jan 11;28(2):170–180.e5. doi: 10.1016/j.cub.2017.12.008

Figure 1. A behavioral setup for measuring both spontaneous and visually evoked flight turns in Drosophila.

Figure 1

(A) Experimental apparatus. (B) Still images showing a fly turning right and left. (C) An example trace of a fly flying in blank screen conditions making spontaneous saccades. Saccades were picked algorithmically (Methods) and are marked at their peaks (black dots). (D) An example trace shows a fly responding to loom stimuli whose center of expansion is to the left or right of the fly. Gray boxes indicate stimulus expansion. See also Figure S1.