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[Modification of precocious evoked auditory potential amplitudes observed in tinnitus]
M C de Lavernhe-Lemaire1, P Beutter
1Service d'Otorhinolaryngologie, CHU Bretonneau, Tours, France.
Archives Internationales De Physiologie Et De Biochimie
|December 1, 1990
Summary
Brainstem evoked response audiometry (BERA) can help locate tinnitus. Wave amplitudes in BERA tests showed decreased patterns correlating with the tinnitus side, suggesting BERA
Area of Science:
- Audiology
- Neuroscience
- Otoacoustic Emissions
Context:
- Tinnitus is a common auditory disorder.
- Brainstem evoked response audiometry (BERA) is a diagnostic tool.
- Localization of tinnitus can be challenging.
Purpose:
- To investigate the utility of BERA in localizing tinnitus.
- To compare BERA wave amplitudes in tinnitus patients versus normal controls.
Summary:
- BERA was performed on 139 tinnitus patients and 20 controls.
- Decreased amplitudes of waves I and III correlated with tinnitus laterality (left, right, or bilateral).
- Amplitude relations (I/III, I/V, III/V) were also analyzed.
Impact:
- BERA may offer objective information for tinnitus localization.
- This could aid in differential diagnosis and treatment planning.
- Pre-treatment BERA amplitude analysis shows promise for understanding tinnitus origins.
