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Related Concept Videos

Hair Cells01:22

Hair Cells

40.3K
Hair cells are the sensory receptors of the auditory system—they transduce mechanical sound waves into electrical energy that the nervous system can understand. Hair cells are located in the organ of Corti within the cochlea of the inner ear, between the basilar and tectorial membranes. The actual sensory receptors are called inner hair cells. The outer hair cells serve other functions, such as sound amplification in the cochlea, and are not discussed in detail here.
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The Cochlea01:13

The Cochlea

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The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
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Large-scale annotated dataset for cochlear hair cell detection and classification.

Christopher J Buswinka1,2,3, David B Rosenberg1,2,4, Rubina G Simikyan1

  • 1Eaton Peabody Laboratories, Mass Eye and Ear, Boston, MA, 02114, USA.

Scientific Data
|April 23, 2024
PubMed
Summary

This study introduces a large, annotated dataset of cochlear hair cells to train machine learning models for hearing research. The dataset aids in accurate quantification of inner and outer hair cells across species and conditions.

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Area of Science:

  • Oto-neuroscience
  • Bioinformatics
  • Medical Imaging

Background:

  • Hearing relies on cochlear hair cells (inner and outer), which do not regenerate after damage.
  • Quantifying hair cell numbers is crucial for studying hearing loss and treatment efficacy.
  • Automated quantification using machine learning requires extensive, diverse datasets.

Purpose of the Study:

  • To present a comprehensive, annotated dataset of cochlear hair cells for machine learning model development.
  • To facilitate the creation of generalizable models for hair cell detection and quantification.
  • To support hearing research by providing a standardized resource for image analysis.

Main Methods:

  • Compilation of a large-scale dataset of annotated cochlear hair cells from multiple species (mouse, rat, guinea pig, pig, primate, human).
  • Inclusion of samples under normal conditions and following ototoxic drug exposure (in vivo and in vitro).
  • Annotation of over 107,000 hair cells as either inner or outer hair cells, using various fluorescence microscopy techniques.

Main Results:

  • A diverse dataset of over 107,000 annotated cochlear hair cells is now available.
  • The dataset covers multiple species, experimental conditions, and imaging modalities.
  • Detailed annotation procedures and suggested usage parameters are provided.

Conclusions:

  • This curated dataset significantly advances the potential for developing robust machine learning tools for cochlear hair cell analysis.
  • It empowers hearing research groups to develop accurate and efficient image analysis tools.
  • The resource aims to accelerate research into hearing preservation and restoration.