Otoacoustic emission spectra show discrete energy maxima stable across sensation levels

Evidence

The current biophysical experiments reveal a significant effect of LF sound exposure on the inner ear, and specifically on the function of OHCs. The observed effects are reflected in significant changes of quadratic distortion products, but importantly, in changes of SOAEs, which (for the ears that exhibit them) allows for a least-invasive evaluation of inner ear function. — Dijk, Pim van, Physiology, Psychoacoustics and…, 3745 (#expands, via linked claim)

Categorization

• XREF: connects to: Spontaneous otoacoustic emission frequencies are stable to within a fraction of a percent; Spontaneous and evoked otoacoustic emissions likely share a single source — Professor Dr.-Ing. Hugo Fastl, Professor Dr.-Ing. Eberhard, Psychoacoustics- Facts and Models, 309; Delayed otoacoustic emissions grow linearly then saturate 10-20 dB above threshold — Professor Dr.-Ing. Hugo Fastl, Professor Dr.-Ing. Eberhard, Psychoacoustics- Facts and Models, 289 (+2 more)

Related

• Otoacoustic emissions non-invasively probe outer hair cell function in humans. (similarity 0.89)
• Healthy ears continuously emit faint spontaneous sounds linked to frequency sensitivity (similarity 0.89)
• Spontaneous otoacoustic emissions enable least-invasive monitoring of inner ear function (similarity 0.88)
• Spontaneous otoacoustic emissions cluster near SFOAE fine-structure maxima but remain undetectable there. (similarity 0.87)
• Spontaneous otoacoustic emission frequencies are stable to within a fraction of a percent (similarity 0.87)
• Spontaneous and evoked otoacoustic emissions likely share a single source (similarity 0.85)
• Cochlear otoacoustic emissions measurably shift behavioral thresholds, selectivity, and loudness (similarity 0.85)
• Most human ears display synchronized spontaneous otoacoustic emissions when driven (similarity 0.85)
• Spontaneous otoacoustic emissions align with peaks in stimulus-frequency fine structure (similarity 0.85)
• Low-frequency sound exposure triggers long-lasting damped oscillations in spontaneous otoacoustic emissions. (similarity 0.84)
• The cochlea actively amplifies sound and emits echoes that reveal inner-ear health (similarity 0.83)
• Delayed otoacoustic emissions grow linearly then saturate 10-20 dB above threshold (similarity 0.83)
• Low-frequency sound can awaken silent inner ears to emit spontaneous tones (similarity 0.83)
• Otoacoustic emissions originate peripherally before neural encoding begins (similarity 0.83)
• Low-frequency exposure temporarily activates new otoacoustic emissions that were previously absent in most ears. (similarity 0.83)

Broader Connections

• Healthy ears continuously emit faint spontaneous sounds linked to frequency sensitivity #expands (0.75)
• Otoacoustic emissions non-invasively probe outer hair cell function in humans. #expands (0.72) — Dijk, Pim van, Physiology, Psychoacoustics and…, 3745