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Fig. 5. Responses to mechanical and visual oscillations about orthogonal axes have
both a pitch and roll component. (A) The wingbeat response to mechanical pitch
(Rm), visual roll (Rv) and the two
stimuli concurrently (Rm+v) of a single fly. Each trace
represents the time-averaged response to 21 trials of each stimulus. (B)
Magnitude of roll and pitch components in response to simultaneous visual roll
and mechanical pitch (mean ± S.E.M., N=10 flies).
(C) Responses to visual pitch and mechanical roll (mean ±
S.E.M., N=13 flies). The y-axis represents
normalized wingbeat amplitude (
WBA) units.