When Silence
Scientific Knowledge
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Naomi F. Bramhall

Research Investigator, VA National Center for Rehabilitative Auditory Research

Non-invasive human biomarkers (ABR, envelope-following response, middle-ear muscle reflex) for cochlear synaptopathy.

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Papers (1)

Normative Ranges for Auditory Brainstem Response Wave I Amplitude: A Potential Diagnostic Indicator of Cochlear Deafferentation.

American journal of audiology · 2026

Sex-adjusted normative ABR Wave I amplitude ranges flag likely cochlear deafferentation in living patients, catching about half of a high-risk veteran sample.

Human study (non-randomized / first-in-human)
Human