From: Effect of early onset otitis media on brainstem and cortical auditory processing
Parameter | Auditory brainstem responses | Late latency responses |
---|---|---|
Stimuli | Clicks | Clicks |
Stimulus intensity | 70 dBnHL | 70 dBnHL |
Transducer | TDH 39P headphones | TDH 39P headphones |
Repetition rate | 11.1/s | 1.1/s |
Stimulus polarity | Rarefaction | Rarefaction |
Number of sweeps | 1500 | 500 |
Filter setting | 30–3000 Hz | 1–30 Hz |
Analysis window | -10 ms to +25 ms | -50 ms to +350 ms |
Electrode montage | Vertical montage Positive – Cz Negative – M1, M2 Ground – Nasion | Vertical montage Positive – Cz, Negative – M1/M2 Ground – Nasion |
Electrode impedance | < 5 kOhms | < 5 kOhms |