Fig. 10. Comparison of the time course of responses for closed-loop and open-loop presentations. The changes in wing-beat amplitude (WBA) in response to a square expanding at 500° s^-1 positioned between -140° and -120° followed a similar time course for open- and closed-loop presentations. The responses elicited by closed-loop presentation of the square were slightly smaller in magnitude than those in response to open-loop presentations. Closed-loop responses were taken from Fig. 3B; open-loop responses were taken from 5 flies in a manner analogous to the data plots in Fig. 3B.

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