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Does Tinnitus Fill in the Gap Using Electrophysiology? A Scoping Review
Victoria Duda1, Olivia Scully1, Marie-Sarah Baillargeon1
1École d'orthophonie et d'audiologie, Faculty of Medicine, Université de Montréal, Pavillon 7077, Parc, C.P. 6128, Succ. Centre-ville, Montreal H3C 3J7, Canada.
Otolaryngologic Clinics of North America
|April 27, 2020
Summary
Gap-induced auditory event-related potentials (ERPs) showed trends of increased amplitude and reduced salience. Further research is needed to explore their potential for tinnitus detection.
Area of Science:
- Auditory Neuroscience
- Neurophysiology
Background:
- Tinnitus is a complex auditory disorder.
- Objective biomarkers for tinnitus detection are needed.
Purpose of the Study:
- To investigate the characteristics of gap-induced auditory event-related potentials (gERPs).
- To assess the potential of gERPs as a biomarker for tinnitus.
Main Methods:
- Systematic review and meta-analysis of studies examining gERPs.
- Analysis of gERP amplitudes and salience in relation to auditory stimuli.
Main Results:
- A trend towards increased post-gap amplitudes was observed.
- A trend towards reduced gap salience was noted.
- Limited consensus and small sample sizes were identified.
Conclusions:
- Current evidence is insufficient for clinical application of gERPs.
- Gap-induced ERPs warrant further investigation as a potential tool for tinnitus detection.
