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Related Concept Videos

The Vestibular System01:29

The Vestibular System

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The vestibular system is a set of inner ear structures that provide a sense of balance and spatial orientation. This system is comprised of structures within the labyrinth of the inner ear, including the cochlea and two otolith organs—the utricle and saccule. The labyrinth also contains three semicircular canals—superior, posterior, and horizontal—that are oriented on different planes.
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Related Experiment Video

Updated: Jan 13, 2026

Behavioral Assessment of the Aging Mouse Vestibular System
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A robust DeepLabCut-based pipeline for the multi-dimensional quantification of vestibular dysfunction in mice.

Mingwei Xu1, Qiong Wu2, Tianyu Gong1

  • 1Department of Otolaryngology, Head and Neck Surgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China.

Hearing Research
|January 11, 2026
PubMed
Summary
This summary is machine-generated.

This study developed an automated pipeline using DeepLabCut to precisely measure behavioral changes in mice with Bilateral Vestibular Dysfunction (BVD). The method accurately captures subtle rotational deficits, aiding in understanding and treating vestibular disorders.

Keywords:
Automated analysisCircling behaviorDeepLabCutOpen field testVestibular dysfunction

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Area of Science:

  • Neuroscience
  • Behavioral Science
  • Biomedical Engineering

Background:

  • Assessing vestibular disorders requires precise behavioral quantification.
  • Current methods often miss complex kinematic details like rotational asymmetry.

Purpose of the Study:

  • To develop a cost-effective, high-precision automated analysis pipeline for quantifying behavioral phenotypes in a mouse model of Bilateral Vestibular Dysfunction (BVD).
  • To utilize DeepLabCut for fine-grained behavioral analysis, including rotational metrics.

Main Methods:

  • Established a BVD mouse model using bilateral intratympanic gentamicin injection.
  • Monitored locomotor function via Open Field Test over 7 days post-operation.
  • Employed DeepLabCut for tracking anatomical landmarks and a custom Python framework for analysis.

Main Results:

  • Identified a biphasic behavioral progression: acute hypokinesia/thigmotaxis (Days 1-2) and chronic hyperactivity/circling (Days 5-7).
  • The pipeline detected early rotational tendencies missed by traditional metrics.
  • Demonstrated significant spatial disorientation and pathological circling in the BVD model.

Conclusions:

  • The DeepLabCut-based pipeline offers a sensitive, objective, and accessible tool for multi-dimensional assessment of vestibular dysfunction.
  • This methodology provides a robust paradigm for evaluating functional recovery and therapeutic interventions in BVD.
  • Enables detailed analysis of fine-grained behavioral deficits in neurological models.