Temporal asymmetries in auditory coding and perception reflect multi-layered nonlinearities

  title={Temporal asymmetries in auditory coding and perception reflect multi-layered nonlinearities},
  author={Thomas Deneux and Alexandre Kempf and Aur{\'e}lie Daret and Emmanuel Ponsot and Brice Bathellier},
  booktitle={Nature communications},
Sound recognition relies not only on spectral cues, but also on temporal cues, as demonstrated by the profound impact of time reversals on perception of common sounds. To address the coding principles underlying such auditory asymmetries, we recorded a large sample of auditory cortex neurons using two-photon calcium imaging in awake mice, while playing sounds ramping up or down in intensity. We observed clear asymmetries in cortical population responses, including stronger cortical activity for… CONTINUE READING
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