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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Vision Res. 2009 Jul 15;49(21):2586–2590. doi: 10.1016/j.visres.2009.07.004

Figure 3.

Figure 3

Mean performance improvement for each direction, as determined by subtraction of % correct performances in the pre-test from the % correct performances in the post-test.