Tonal Tinnitus Does Not Interfere with Tone Detection at the Tinnitus Pitch-Matched Frequency.
J Gerard G Borst, André Goedegebure
PMID 40920121WHAT IT FOUND
Tonal tinnitus did not interfere with detecting soft tones at the tinnitus-matched frequency.
Detection slopes, false alarms, and response times matched controls, so patients can likely distinguish tinnitus from external sounds.
Key findings
01There was no significant difference in psychometric function slopes or false alarm rates between participants with and without tinnitus.
02Response delays did not differ significantly between groups, suggesting tinnitus does not induce uncertainty about external sound detection.
03The study selected individuals with tonal tinnitus who could consistently match its pitch to maximize confusion, yet they still discriminated well.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
Small sample size (n=36 total). Only participants with consistent pitch-matching abilities were included, which may exclude those with more variable or non-tonal tinnitus. The tinnitus group had slightly higher average hearing loss than controls, though this was not statistically significant. Response delay analysis included only 6 participants from each group due to low response rates in silence.
Declared interests
Supported by an Erasmus MC MRace grant (#110565, “Tinnitus test”).
The easy way to misread this
Do not conclude that tinnitus never interferes with hearing. This study only tested tone detection in individuals with tonal tinnitus who could match their pitch. It does not rule out interference with complex sounds like speech in noise, nor does it apply to patients with non-tonal tinnitus.