A general model unifying the adaptive, transient and sustained properties of ON and OFF auditory neural responses

  • 0CerCo UMR 5549, CNRS - Université Toulouse III, Toulouse, France.

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Summary

This summary is machine-generated.

This study introduces AdapTrans, a novel model that unifies auditory ON and OFF neural responses. AdapTrans accurately predicts neural responses and enhances machine learning models for auditory processing research.

Area Of Science

  • Auditory Neuroscience
  • Computational Audition
  • Systems Neuroscience

Background

  • Auditory system decomposes sounds into temporal and spectro-temporal components.
  • Auditory OFF responses are understudied, with unclear relationships to ON responses and adaptation.
  • Existing models lack a unified framework for transient and sustained auditory responses.

Purpose Of The Study

  • To propose a general model, AdapTrans, unifying auditory ON and OFF responses.
  • To demonstrate AdapTrans's ability to model neural response properties.
  • To improve the accuracy of computational models predicting auditory neural activity.

Main Methods

  • Developed AdapTrans, a model based on a pair of linear filters.
  • Filtered audio cochleagrams using AdapTrans.
  • Integrated AdapTrans into machine learning models for neural response prediction.
  • Trained models on electrophysiology datasets.

Main Results

  • AdapTrans accurately renders known properties of mammalian auditory neural responses.
  • OFF responses' dependence on stimulus fall time and duration was captured.
  • AdapTrans systematically improved prediction accuracy in rat and ferret auditory cortex models.
  • Publicly shared PyTorch models and datasets facilitate further research.

Conclusions

  • AdapTrans provides a unifying framework for auditory ON and OFF responses.
  • The model enhances the plausibility and performance of computational auditory models.
  • AdapTrans is a valuable tool for computational and systems neuroscientists studying audition.

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