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Fig. 7. Neural images of a moving target. (A-C) Contour plots of the angular
distribution of relative intensity from a 3.44° target, seen at the eye
(A) and after blurring by male (B) and female (C) optics. Contour lines are
spaced at intervals of 0.1. The lines on far right indicate half-width. (D,E)
Snapshots of the distribution of photoreceptor voltage responses to the same
target moving at 180 deg. s-1 from left to right as reconstructed
for male (D) and female (E) retinas. Crosses indicate the current position of
the target. (F,G) Sampled retinal images of the moving target for male (F) and
female (G) retinas. Colour patches represent the instantaneous voltage
responses of individual photoreceptors separated at angles appropriate for
males (1.6°) and females (2.5°).