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. Author manuscript; available in PMC: 2023 Aug 1.
Published in final edited form as: Otolaryngol Head Neck Surg. 2021 Oct 5;167(2):334–340. doi: 10.1177/01945998211049210

Table 1.

Electrocochleography FFT Magnitude, Filtered SNR, and Recording Electrode Impedance at Each Anatomic Location.a

Recording electrode location FFT magnitude, μV Filtered SNR Impedance, kΩ
Round window 592.0 ± 628.0b 1.00 ± 0.32 17.9 ± 7.0
Promontory 91.0 ± 93.1 0.79 ± 0.16 14.4 ± 8.2
Facial recess 24.3 ± 36.7 0.71 ± 0.05 17.2 ± 5.0

Abbreviations: FFT, fast Fourier transform; SNR, signal-to-noise ratio.

a

Results are averaged across animals and individual recordings.

b

P <.05 vs other locations (analysis of variance).