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. 2013 Dec 2;8(12):e81343. doi: 10.1371/journal.pone.0081343

Figure 5. Time course of parafoveal flow index (PFI) with stimulation turned on and then off.

Figure 5

(A) Plot for individual subjects averaged from two experimental sequences. (B) Relative change from baseline averaged over all subjects. Two tailed paired t-tests with Bonferroni correction were used. * = P<.0042; ** = P<.001. The symmetric error bars in both (A) and (B) represent two standard deviation units in length.