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. Author manuscript; available in PMC: 2009 Jan 24.
Published in final edited form as: Vis Neurosci. 2008 Mar 6;25(3):365–370. doi: 10.1017/0S0952523808080188

Fig. 3.

Fig. 3

Histograms for a typical MC cell’s responses to luminance gratings and a typical PC cell’s responses to chromatic gratings at three contrast levels (15% to 60% luminance contrast or 3% to 12% M-cone contrast). All gratings are drifted at 8 Hz. MC cell responses show phase advance as contrast increases, while PC cell responses show little phase change as contrast increases.