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. 2016 Feb 1;6:20187. doi: 10.1038/srep20187

Figure 4.

Figure 4

Contrast sensitivity functions before and after perceptual learning in (A) the amblyopic eyes; (B) the non-amblyopic eyes, group average fitting is show in the last graph. (C) Bandwidth of perceptual learning in the amblyopic eye. Only data from participants who trained at a single spatial frequency was analysis. Arrow indicating trained spatial frequency. Error bars stand for ±S.E.M.