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Characteristics of ripples detected on interictal-free channels. A, NREM and waking cortical ripple density, peak 70-100 Hz analytic amplitude, oscillation frequency, duration, and percent change in mean >200 Hz analytic amplitude in interictal-free cortical channels (N = 232 channels; Patients S1-S17). B, Same as in A, but with interictal-free hippocampal channels (N = 5 channels; Patients S4, S6, S9, and S17).
