What is the role of the medial olivocochlear system in speech-in-noise processing?

J de Boer, ARD Thornton… - Journal of …, 2012 - journals.physiology.org
The medial olivocochlear (MOC) bundle reduces the gain of the cochlear amplifier through
reflexive activation by sound. Physiological results indicate that MOC-induced reduction in …

Olivocochlear efferent contributions to speech-in-noise recognition across signal-to-noise ratios

IB Mertes, KM Johnson, ZA Dinger - … Journal of the Acoustical Society of …, 2019 - pubs.aip.org
The medial olivocochlear (MOC) efferent system modifies cochlear output to aid signal
detection in noise, but the precise role of efferents in speech-in-noise understanding …

[HTML][HTML] Top-down influences of the medial olivocochlear efferent system in speech perception in noise

SK Mishra, ME Lutman - PLoS One, 2014 - journals.plos.org
One of the putative functions of the medial olivocochlear (MOC) system is to enhance signal
detection in noise. The objective of this study was to elucidate the role of the MOC system in …

Right-ear advantage drives the link between olivocochlear efferent 'antimasking'and speech-in-noise listening benefits

GM Bidelman, SP Bhagat - Neuroreport, 2015 - journals.lww.com
The mammalian cochlea receives feedback from the brainstem medial olivocochlear (MOC)
efferents, whose putative 'antimasking'function is to adjust cochlear amplification and …

Medial olivocochlear efferent reflex inhibition of human cochlear nerve responses

JT Lichtenhan, US Wilson, KE Hancock, JJ Guinan Jr - Hearing research, 2016 - Elsevier
Inhibition of cochlear amplifier gain by the medial olivocochlear (MOC) efferent system has
several putative roles: aiding listening in noise, protection against damage from acoustic …

Unmasking effects of olivocochlear efferent activation on responses of inferior colliculus neurons

K Seluakumaran, WHAM Mulders, D Robertson - Hearing research, 2008 - Elsevier
Behavioural studies suggest a role for the medial olivocochlear (MOC) system in improving
detection and discrimination of signals in noise. Physiological studies in the cochlea support …

Olivocochlear efferent activity is associated with the slope of the psychometric function of speech recognition in noise

IB Mertes, EC Wilbanks, MR Leek - Ear and hearing, 2018 - journals.lww.com
Objectives: The medial olivocochlear (MOC) efferent system can modify cochlear function to
improve sound detection in noise, but its role in speech perception in noise is unclear. The …

Contralateral suppression of transient otoacoustic emissions and sentence recognition in noise in young adults

A Stuart, AK Butler - Journal of the American Academy of …, 2012 - thieme-connect.com
Background: One purported role of the medial olivocochlear (MOC) efferent system is to
reduce the effects of masking noise. MOC system functioning can be evaluated …

Auditory efferents facilitate sound localization in noise in humans

G Andéol, A Guillaume, C Micheyl, S Savel… - Journal of …, 2011 - Soc Neuroscience
The mammalian auditory system contains descending neural pathways, some of which
project onto the cochlea via the medial olivocochlear (MOC) system. The function of this …

[HTML][HTML] Human medial olivocochlear reflex: effects as functions of contralateral, ipsilateral, and bilateral elicitor bandwidths

W Lilaonitkul, JJ Guinan - Journal of the Association for Research in …, 2009 - Springer
Animal studies have led to the view that the acoustic medial olivocochlear (MOC) efferent
reflex provides sharply tuned frequency-specific feedback that inhibits cochlear …