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. Author manuscript; available in PMC: 2012 Aug 1.
Published in final edited form as: J Neural Eng. 2011 Jul 20;8(4):045002. doi: 10.1088/1741-2560/8/4/045002

Figure 8.

Figure 8

Profile of the smallest and the largest singular values of the transfer function matrices as a function of frequency for different stimulation input targets: STN neurons (1 to 8) alone, GPe neurons (1 to 8) alone, and combined STN (1 to 4) and GPe (1 to 4) neurons. The output neurons are the four GPi neurons marked by gray in Figure 1(b). The dynamic range between the smallest and largest singular values in the case of STN and GPe stimulation indicates that the control is most effective compared to stimulation of STN or GPe only.