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Related Concept Videos

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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Anatomy of the Ear01:16

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Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
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The Auditory Ossicles01:11

The Auditory Ossicles

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The auditory ossicles of the middle ear transmit sounds from the air as vibrations to the fluid-filled cochlea. The auditory ossicles consist of two malleus (hammer) bones, two incus (anvil) bones, and two stapes (stirrups), one on each side. These bones develop during the fetal stage and are the ones to ossify first. They are fully mature at birth and do not grow afterward.
The aptly named stapes look very much like a stirrup. The three ossicles are unique to mammals, and each plays a role in...
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Related Experiment Video

Updated: Jan 7, 2026

Extracting the Cochlea from a Human Temporal Bone: A Cadaveric Protocol
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Finite Element Modeling of Cochlear Mechanics: A Systematic Review.

Nastaran Shakourifar1, Ashley Micuda2, Caleb Thompson2,3

  • 1School of Biomedical Engineering, Western University, London, Canada. nshakour@uwo.ca.

Annals of Biomedical Engineering
|December 27, 2025
PubMed
Summary
This summary is machine-generated.

Finite element (FE) modeling of the cochlea offers insights into mechanics but faces limitations. Standardization of FE cochlear models, material properties, and validation is needed for improved clinical relevance.

Keywords:
BiomechanicsCochlear macromechanicsFinite element modelingSystematic literature review

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Area of Science:

  • Biomedical Engineering
  • Computational Mechanics
  • Auditory Neuroscience

Background:

  • Finite element (FE) modeling is a key computational tool for simulating complex biological systems.
  • Recent research increasingly utilizes FE modeling for studying the cochlea and cochlear implants (CIs).
  • Significant variability exists in the methodologies and parameters employed in developing cochlear FE models.

Purpose of the Study:

  • To systematically review finite element macromechanical modeling of the cochlea.
  • To identify common modeling techniques and their limitations in existing studies.
  • To highlight areas for improvement in FE cochlear modeling.

Main Methods:

  • Conducted a systematic literature search across PubMed, Scopus, and IEEE-Xplore databases.
  • Included studies on cochlear and CI FE modeling published from 1985 to 2025.
  • Utilized the Covidence platform for study screening and full-text review.

Main Results:

  • Identified 77 relevant studies from an initial pool of 1209 publications.
  • Two main modeling approaches were found: simplified uncoiled and realistic coiled models (two or three chambers).
  • Observed significant variation in material assumptions (e.g., basilar membrane stiffness) and inconsistent validation methods.

Conclusions:

  • FE cochlear models provide valuable insights but are limited by simplified geometries, non-standardized material properties, and inadequate validation.
  • Future research should integrate imaging and functional data.
  • Standardized frameworks for modeling, material properties, and validation are crucial for enhancing physiological and clinical relevance.