electrode_group_id: 3 electrode_identities: - 12 - 13 - 14 - 15 electrode_idx: - 11 - 12 - 13 - 14 start_time: value: 0.0 unit: "s" stop_time: value: 900.352 unit: "s" sample_rate: value: 30000.0 unit: "Hz"