Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Somatic Spinal Reflexes01:22

Somatic Spinal Reflexes

Somatic spinal reflexes are rapid, involuntary muscular responses to external stimuli that involve the somatic musculature and the spinal cord.
One of the most well-known somatic spinal reflexes is the stretch reflex, which is activated by the sudden stretching of a muscle. This reflex involves the activation of specialized sensory receptors called muscle spindles, which are located in the muscle tissue and detect changes in the length and speed of muscle contractions. When a muscle is suddenly...
Reflex Activity01:08

Reflex Activity

A reflex activity is an automatic, involuntary response to specific stimuli. It is a part of our survival mechanism, designed to protect us from potential harm. For example, when a bright light suddenly shines into our eyes, we instinctively close them or look away. This is a simple reflex activity orchestrated by the nervous system without conscious thought or effort.
A reflex exam is a diagnostic procedure performed by a healthcare professional to evaluate the functionality of a patient's...
Lateralization01:28

Lateralization

Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
Auditory Pathway01:15

Auditory Pathway

Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Role of long noncoding RNAs in differentiating colorectal polyps from cancer: expression profiles and exploratory pathway enrichment of reported lncRNA targets.

Irish journal of medical science·2026
Same author

Ultrasensitive quantification of Hg<sup>2+</sup> in real samples using colorimetric, fluorimetric and smartphone-based triple-mode system integrated with a new indoline-fused chromenylium-cyanine chemodosimeter.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy·2026
Same author

Association Between First-Trimester Serum PAPP-A and Free β-hCG Levels and Gestational Duration: A Retrospective Cohort Study.

Irish journal of medical science·2026
Same author

Prenatal Diagnosis of Poretti-Boltshauser Syndrome: A Case of Live Birth with Confirmed LAMA1 Variants.

Cerebellum (London, England)·2026
Same author

Diagnostic Utility of PRAME and H3K27me3 in Distinguishing Malignant Melanoma From Proliferative Nodules on Congenital Melanocytic Nevi.

Journal of cutaneous pathology·2026
Same author

A novel near-infrared-emitting selenolactone-cyanine chemosensor platform for ultra-trace mercury (II) detection in environmental, food and living cell samples.

Talanta·2026

Related Experiment Video

Updated: Jul 10, 2026

A Method to Study Adaptation to Left-Right Reversed Audition
07:14

A Method to Study Adaptation to Left-Right Reversed Audition

Published on: October 29, 2018

Reversed ipsilateral acoustic reflex pattern.

Haluk Yavuz1, Fatma Caylakli, Can Alper Cagici

  • 1Department of Otorhinolaryngology and Head and Neck Surgery, Baskent University Faculty of Medicine, Adana, Turkey.

The Journal of Otolaryngology
|October 30, 2007
PubMed
Summary

The reversed acoustic reflex in sensorineural hearing loss is a real physiological event, not an artifact. Its origin likely involves the tympanic membrane and ossicles, not middle ear muscles.

More Related Videos

Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process
07:00

Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process

Published on: June 21, 2024

Morphological and Functional Evaluation of Ribbon Synapses at Specific Frequency Regions of the Mouse Cochlea
09:54

Morphological and Functional Evaluation of Ribbon Synapses at Specific Frequency Regions of the Mouse Cochlea

Published on: May 10, 2019

Related Experiment Videos

Last Updated: Jul 10, 2026

A Method to Study Adaptation to Left-Right Reversed Audition
07:14

A Method to Study Adaptation to Left-Right Reversed Audition

Published on: October 29, 2018

Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process
07:00

Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process

Published on: June 21, 2024

Morphological and Functional Evaluation of Ribbon Synapses at Specific Frequency Regions of the Mouse Cochlea
09:54

Morphological and Functional Evaluation of Ribbon Synapses at Specific Frequency Regions of the Mouse Cochlea

Published on: May 10, 2019

Area of Science:

  • Audiology
  • Otoacoustic Emissions
  • Sensorineural Hearing Loss

Background:

  • The acoustic reflex is a crucial diagnostic tool in audiology.
  • Reversed ipsilateral acoustic reflexes present a diagnostic challenge.
  • Understanding the origin of reversed reflexes is important for accurate diagnosis.

Purpose of the Study:

  • To characterize the reversed ipsilateral acoustic reflex.
  • To investigate the potential origin of this reflex pattern.
  • To differentiate reversed reflexes from artifacts.

Main Methods:

  • Retrospective analysis of audiometry and impedance data from 52 patients with sensorineural hearing loss.
  • Comparison of acoustic reflex patterns in 63 affected ears versus 45 controls.
  • Analysis of reflex thresholds and latencies for reversed and negative ipsilateral reflexes.

Main Results:

  • 45 of 63 ears with sensorineural hearing loss exhibited reversed ipsilateral acoustic reflexes.
  • Significant differences in thresholds (p < .001) and latencies (p < .001) were observed between reversed and negative ipsilateral reflexes.
  • No significant latency differences were found between ipsilateral and contralateral negative reflexes.

Conclusions:

  • The reversed acoustic reflex is a genuine physiological event, not an artifact.
  • This reflex is unlikely to be caused by stapedius or tensor tympani muscle contraction.
  • The etiology is hypothesized to involve the tympanic membrane, malleus, and incus system, excluding middle ear muscles.