Related Experiment Video
Updated: Jul 4, 2025
09:44
Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss
Published on: January 25, 2016
19.2K
Frequency-Following Responses in Sensorineural Hearing Loss: A Systematic Review
Laura Jacxsens1,2,3, Lana Biot4,5, Carles Escera6,7,8
1Department of Otorhinolaryngology, Head and Neck Surgery, Antwerp University Hospital (UZA), Drie Eikenstraat 655, 2650, Edegem, Belgium. laura.jacxsens@uantwerpen.be.
Journal of the Association for Research in Otolaryngology : JARO
|February 9, 2024
Summary
Sensorineural hearing loss (SNHL) impacts auditory processing, causing delayed frequency-following responses (FFR) and difficulties tracking fundamental frequencies in speech stimuli. More research is needed to clarify FFR changes in SNHL.
Area of Science:
- Auditory Neuroscience
- Neurophysiology
- Speech Processing
Background:
- Sensorineural hearing loss (SNHL) affects auditory pathway function.
- Frequency-following responses (FFR) are crucial for processing temporal aspects of sound.
- Understanding SNHL's impact on FFR is vital for auditory rehabilitation.
Approach:
- Systematic review of 16 case-control studies adhering to PRISMA guidelines.
- Searched PubMed, Web of Science, and Scopus databases up to January 2023.
- Included studies comparing FFRs in SNHL patients and normal-hearing controls.
Key Points:
- SNHL associated with prolonged FFR latencies, though specific wave changes vary.
- No consensus on time-domain FFR wave amplitude changes.
- SNHL patients showed reduced fundamental frequency tracking for stimuli ≥170 ms.
- Inconsistent findings regarding temporal fine structure (TFS) changes.
Conclusions:
- SNHL may prolong auditory processing time, indicated by delayed FFR latencies.
- Difficulties in tracking the fundamental frequency of longer speech stimuli observed in SNHL.
- Heterogeneity in study parameters necessitates larger, well-matched future studies for definitive conclusions.
Related Concept Videos
01:13The Cochlea
44.9K
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.
44.9K
01:21Perceiving Loudness, Pitch, and Location
212
The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
212