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Fig. 4. Experiment 2. Effect of temporal changes of pattern velocity on flight
speed. (A) Mean flight speeds when the pattern is stationary in the first
phase and moving in the second phase. (B) Mean flight speeds when the pattern
is moving in the first phase and stationary in the second. In each case, the
open squares and filled circles indicate mean flight speeds during the
stationary and moving phases, respectively. The solid line represents a
regression model of the data; the equation for this line is shown on each
graph. The error bars through the centre of each point indicate the standard
error of the mean. The error bars to the left of each data point indicate the
standard deviation for the stationary period (open squares); the bars to the
right of each data point indicate the standard deviation for the moving period
(filled circles). Other details are as in
Fig. 3.
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