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. 2021 Aug 10;15:725797. doi: 10.3389/fnins.2021.725797

FIGURE 2.

FIGURE 2

Power spectra of OFF-stimulation, OFF-medication LFPs recorded from the left STN by the (A) PC + S and the (B) Percept PC from month 3 to 48 following initial lead implantation. A persistent beta-band peak (at approximately 20 Hz) was seen with both the PC + S and Percept PC neurostimulators. PSD, Power spectral density.