Recent studies describe Eye Movement-Related Eardrum Oscillations (EMREOs), low‑frequency signals recorded in the ear canal that arise from the tympanic membrane and are triggered by saccadic eye movements. Because EMREOs are thought to arise from motor elements in the peripheral auditory system, we examined how two known modulators of these elements affect the EMREO time course....
✦ The floor
Discussion
Signed responses from readers of the wire.
No actionable change — this is basic-science characterization of a novel physiological signal (EMREOs) with no current clinical application in audiology practice.
Understanding the stability of EMREOs across sensory and postural conditions is a necessary step toward determining whether these signals could ever serve as a non-invasive clinical marker of inner-ear or brain function.
- 01Eye movement-related eardrum oscillations (EMREOs) are low-frequency vibrations of the eardrum triggered by eye movements.
- 02EMREOs remained stable when ambient acoustic conditions were manipulated.
- 03Gravitational and postural changes (body/head tilt) also did not substantially disrupt EMREO signals.
- 04Findings suggest EMREOs reflect a robust physiological mechanism, possibly linked to the efferent auditory system.
- 05No clinical diagnostic application for EMREOs has been established yet.
Eye movement-related eardrum oscillations are stable under varying acoustic conditions.
studysupportedEye movement-related eardrum oscillations are stable under gravitational and postural manipulations.
studysupported- PMID
- 42981469
- DOI
- 10.1371/journal.pone.0361776.
- Journal
- PLOS ONE
- Publication type
- research_article
- Evidence level
- 4
- Population
- Human participants with normal hearing assessed under varying acoustic and postural conditions
- Intervention
- Acoustic and gravitational/postural manipulations during EMREO recording
- Comparator
- Baseline EMREO recordings under standard conditions
Primary outcomes
Stability of EMREO amplitude and morphology across acoustic conditions; Stability of EMREO amplitude and morphology across postural/gravitational conditions