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. Author manuscript; available in PMC: 2007 Mar 2.
Published in final edited form as: J Opt Soc Am A Opt Image Sci Vis. 2005 Oct;22(10):2230–2238. doi: 10.1364/josaa.22.002230

Fig 6.

Fig 6

Contrast discrimination as a function of surround contrast in control condition. Note that the test contrast is now at 0.05. In-phase judgments only.