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Figure 2


Fig. 2. Attractive odorant decreases steering variance and increases visual stability under closed-loop control. (A) Flies showed a decrease in mean {Delta}WBA variance under the influence of odor (expansion P<0.001, rotation P<0.05, paired t-test) and (B) a corresponding decrease in mean image velocity (P<0.001, paired t-test), indicating increased visual stabilization. (Flicker, N=64; SF stripe, N=64; WF expansion, N=100; WF rotation, N=106). (*P<0.05, ***P<0.001). (C) {Delta}WBA responses were binned and sorted by increasing ({Sigma}WBAxWBF)3. The inset shows the variance calculated from {Delta}WBA responses plotted against power.