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Fig. 6. Average responses of tethered flies walking on a treadmill for speaker
azimuth 0° (AC, N=18 flies, 10 runs/fly) and 90°
(BF, N=7 flies, 10 runs/fly). (A,D) Mean walking path; (B,E)
cumulative distance vs time from stimulus onset; (C,F) instantaneous
velocity vs time from stimulus onset. Open symbols and gray line in C
show a single response in which the fly decelerated to a complete stop
following stimulus offset. Bold horizontal lines in B,C,E,F indicate stimulus
duration.