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Figure 8


Fig. 8. Comparison of spatial frequency (SF) tuning at two receptive field locations of HSN cells showing sexually dimorphic contrast sensitivity and lateral spatial frequency tuning. Estimated contributions from Type 1 and Type 2 EMDs are given as arrow thickness and again as the height of small bars. EMD contributions and smooth curves were fit to the shown data with a two EMD model constrained by interommatidial angle data taken from Fig. 1. Free parameters were total gain, relative EMD contribution, and saturation. These parameters can be found in Table 1. Temporal frequency 5 Hz. Values are means ± s.e.m.; males, N=5 (filled squares), females, N=6 (open circles).





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