Fig. 8. White-noise analysis does not predict pursuit responses. (A-F) Responses (solid line) of a male photoreceptor to selected pursuit stimuli are compared with those predicted from first-order (dotted line) and second-order (broken line) kernels from white-noise analysis. The voltage scale for all plots is the same (scale bar in A). The kernel predictions often underestimate the true response and comparison of (E) and (F) suggests that stimulus duration, not just the final predicted potential, is responsible for these differences.

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