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Figure 10


Fig. 10. Saccades were employed, as with the wind stimuli (Fig. 6) to orient flies towards an attractive visual stimulus. A visual pattern expanding at 5 Hz in the absence of a wind stimulus tended to elicit saccades that oriented flies towards (blue bars) rather than away from the FOC (red bars), particularly at the beginning of the trial (note that histograms are stacked). Flies also exhibited a large number of saccades towards the end of trials with expansion rates of 5 Hz, particularly when the FOC was at either the up- or the downwind ends of the arena.





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