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Fig. 13.25. Contour integration performance with different input distributions. The average correlation coefficients between the MUA sequences in each experiment are shown, calculated over two trials. (a) For both 0^o and 40^o orientation jitter, the high-frequency network was significantly more synchronized than the low-frequency network (p < 0.003). The difference is more pronounced in the 40^o case, as predicted by the lateral connection distributions in Figure 13.21. (b) At 0^o orientation jitter, the performance of broad and narrow curvature range networks is comparable (p > 0.7), but with 40^o of jitter the broad curvature network performs significantly better (p < 0.0009), as predicted by the connection distributions in Figure 13.22.