Details of participants, stimuli, and recording parameters
| Parameters | Human sEEG | Human EEG | Macaque intracranial | Macaque extracranial | Guinea pig intracranial | Guinea pig extracranial |
|---|---|---|---|---|---|---|
| Number of participants | 2 | 20 | 2 | 2 | 2 | 2 |
| Electrode location | Intracranial electrode with cylindrical contacts. Hum1: 129 electrode contacts in bilateral temporal lobes Hum2: 229 electrode contacts in the right hemisphere; temporal, frontal, and parietal lobes | Surface electrodes on the vertex (Cz) and mastoids | Maq1: 96 sharp electrodes on the surface of the auditory and motor cortices Maq2 24 laminar probe electrodes the layers of the auditor cortex | Maq2: 33 EEG electrodes | Laminar probe in the auditory cortex | Surface electrodes at Cz and T4 |
| Transducer | ER-3C | ER-3C | Sound-field speaker | Sound-field speaker | Sound-field Speaker | Sound-field Speaker |
| Intensity | Comfortable level | 75 dB SPL | 78 dB SPL | 78 dB SPL | 75 dB SPL | 75 dB SPL |
| Number of sweeps | 800 | 1000 | 1000 | 1000 | 250 | 2000 in GP1 250 in GP2 |
| Interstimulus interval | 60 ms | 128–168 ms | 250 ms | 250 ms | 250 ms | 100 ms |