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. Author manuscript; available in PMC: 2017 Apr 10.
Published in final edited form as: J Neural Eng. 2016 Jan 20;13(2):021001. doi: 10.1088/1741-2560/13/2/021001

Figure 1.

Figure 1

Damaging and non-damaging levels of electrical stimulation of non-human brain with planar macroelectrodes using k = 1.85 in the Shannon equation to delineate the boundary between damaging and non-damaging stimulation. Black and gray solid symbols = tissue damage; open symbols = no damage. Studies referenced (Gilman et al 1975, Pudenz et al 1975, Brown et al 1977, Yuen et al 1981, 1984, Agnew et al 1983, McCreery et al 1988, 1990).