Evidence for active, nonlinear, negative feedback in the vibration response of the apical region of the in-vivo guinea-pig cochlea.

@article{Zinn2000EvidenceFA,
  title={Evidence for active, nonlinear, negative feedback in the vibration response of the apical region of the in-vivo guinea-pig cochlea.},
  author={Christina Elsberg Zinn and Hannes Maier and Hans-Peter Zenner and A. W. Gummer},
  journal={Hearing research},
  year={2000},
  volume={142 1-2},
  pages={159-83}
}
The transverse vibration response of the organ of Corti near the apical end of the guinea-pig cochlea was measured in vivo. For cochleae in good physiological condition, as ascertained with threshold compound action potentials and the endocochlear potential, increasing amounts of attenuation and phase lag were found as the intensity was decreased below 80 dB SPL. These nonlinear phenomena disappeared post mortem. The data suggest that an active, nonlinear damping mechanism exists at low… CONTINUE READING

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