Physical basis of two-tone interference in hearing.

  title={Physical basis of two-tone interference in hearing.},
  author={Frank J{\"u}licher and D Andor and Thomas Duke},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={98 16},
The cochlea uses active amplification to capture faint sounds. It has been proposed that the amplifier comprises a set of self-tuned critical oscillators: each hair cell contains a force-generating dynamical system that is maintained at the threshold of an oscillatory instability, or Hopf bifurcation. While the active response to a pure tone provides frequency selectivity, exquisite sensitivity, and wide dynamic range, its intrinsic nonlinearity causes tones of different frequency to interfere… CONTINUE READING


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