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. 2002 Jan 1;22(1):338–349. doi: 10.1523/JNEUROSCI.22-01-00338.2002

Fig. 8.

Fig. 8.

Effect of contrast on aperture tuning in LGN.A–C, The sDOG model was fit to the responses at low (open circles) and high (filled circles) contrast for a PC cell (A), MC cell (B), and KC cell (C).Insets show contrast–response curves for each neuron.Arrows indicate the contrasts used. Fit parameters (re,ri): A, low contrast (50%), 0.38, 0.58, high contrast (75%), 0.26, 1.52; B, low contrast (10%), 1.1, 1.13, high contrast (20%), 0.47, 2.19, C, low contrast (50%), 0.96, 1.08, high contrast (98%); 0.84, 0.87.