A pair of biomarkers of brain function—one that represents “listening effort,” and another that measures ability to process rapid changes in frequencies—may help to explain why a person with normal hearing may struggle to follow conversations in noisy environments, according to a new study led by Massachusetts Eye and Ear researchers. Published online last week in the scientific journal eLife, the study could inform the design of next-generation clinical testing for hidden hearing loss, a condition that cannot currently be measured using standard hearing exams.
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