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. Author manuscript; available in PMC: 2021 May 18.
Published in final edited form as: J Neural Eng. 2014 Feb 6;11(2):026004. doi: 10.1088/1741-2560/11/2/026004

Figure 5.

Figure 5.

Comparison of the impedance drop as a fraction of pre-stim values after stimulation blocks in the first week (1), midpoint (14), and last week (28) of the study. Post-hoc tests revealed that the 4 nC/phase–1 s and 20 nC/phase condition differed significantly from the controls in the first week; only the 4 nC/phase–1 s condition differed significantly from controls in week 14; and only the 20 nC/phase condition differed significantly from the controls in the last week (Tukey’s HSD, p < 0.01).