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. 2022 Jun 9;16:916627. doi: 10.3389/fnhum.2022.916627

Figure 3.

Figure 3

Direct hippocampal stimulation. Hippocampal local field potentials (LFPs) and spectrograms (40 dB scale) recorded at approximately 15 months (year 2, top panels) and 57 months (year 5, bottom panels) post-implant from subject C1 illustrating the response to stimulation of the hippocampus. Stimulation was delivered to contacts HC E1-C+ at the amplitudes shown (50 Hz, 10 s ramped burst, 300 μs PW) while recording from contacts HC E0-E2. The large signal below the amplitude labels represents the recorded stimulus artifact.