electrode_group_id: 0 electrode_identities: - 0 - 1 - 2 - 3 electrode_idx: - 0 - 1 - 2 - 3 start_time: value: 0.0 unit: "s" stop_time: value: 900.805 unit: "s" sample_rate: value: 30000.0 unit: "Hz"