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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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Equilibrium and Balance01:15

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The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...
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Related Experiment Video

Updated: Dec 13, 2025

Author Spotlight: Developing Low-Tech Balance Assessment Methods for Broad-Spectrum Healthcare Applications
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Introducing the DizzyQuest: an app-based diary for vestibular disorders.

E C Martin1, C Leue2, P Delespaul2

  • 1Division of Balance Disorders, Department of Otorhinolaryngology and Head and Neck Surgery, Maastricht University Medical Center+, Maastricht, The Netherlands.

Journal of Neurology
|July 27, 2020
PubMed
Summary
This summary is machine-generated.

This study introduces DizzyQuest, an app-based vestibular diary, to accurately measure symptoms in daily life. The app demonstrated high response rates and captured diverse vestibular disorder profiles, offering a valuable tool for research.

Keywords:
DizzyQuestExperience samplingVestibular disorders

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Area of Science:

  • Neuroscience
  • Medical Informatics
  • Psychology

Background:

  • Current vestibular disorder questionnaires suffer from recall bias and low ecological validity due to their retrospective nature.
  • An app-based, in-situ data collection method can enhance symptom measurement accuracy and real-world applicability.
  • Experience sampling method (ESM) offers a promising approach for dynamic symptom assessment.

Purpose of the Study:

  • To introduce DizzyQuest, a novel ESM-based mobile application for vestibular symptom assessment.
  • To evaluate the response rates and feasibility of the DizzyQuest app in patients with vestibular disorders.
  • To demonstrate the utility of DizzyQuest in capturing nuanced symptom data and disease profiles.

Main Methods:

  • Sixty-three patients with diagnosed vestibular disorders participated in a 4-week data collection period.
  • The DizzyQuest app included daily morning/evening questionnaires, frequent within-day assessments, and an attack-triggered questionnaire.
  • Response rates and loss-to-follow-up were analyzed; within-day symptoms were compared across patient groups.

Main Results:

  • Fifty-one patients completed the study, achieving significantly higher average response rates than the target >50% (p < 0.001).
  • The attack questionnaire was utilized 159 times, indicating its relevance for capturing acute events.
  • Distinct neuro-otological symptoms and disease profiles were observed among patients and subgroups.

Conclusions:

  • DizzyQuest effectively captures vestibular symptoms within their psychosocial context, minimizing recall bias and maximizing ecological validity.
  • The app achieved high engagement and revealed differential disease patterns, highlighting its potential clinical utility.
  • This study pioneers the use of ESM for assessing daily symptoms and quality of life in vestibular disorders, establishing it as a valuable research tool.