The efferent system of the ear possesses several distinct functions, in particular noise
protection, mediation of selective attention and improvement of signal to noise ratio. It also …

The outer hair cells of the organ of Corti are the target of abundant efferent projections from
the olivocochlear system. This peripheral efferent auditory subsystem is currently thought to …

Cochlear activity is regulated by the olivo-cochlear bundle, which originates from the
brainstem and projects onto the hair cells and auditory nerve fibers. Two efferent …

Olivocochlear efferents allow the central auditory system to adjust the functioning of the
inner ear during active and passive listening. While many aspects of efferent anatomy …

Cholinergic efferent neurons originating in the brainstem innervate the acoustico-lateralis
organs (inner ear, lateral line) of vertebrates. These release acetylcholine (ACh) to inhibit …

There is increasing evidence that at least one function of both the medial and the lateral
olivocochlear efferent systems is to provide adjustment of the set point of activity in their …

It is critical for hearing that the descending cochlear efferent system provides a negative
feedback to hair cells to regulate hearing sensitivity and protect hearing from noise. The …

The discovery of active mechanisms in the cochlea and the efferent auditory pathways from
the brain to the cochlea demonstrated the existence of a modulation of the auditory input in …

As studies of the olivocochlear (OC) efferent system have matured, issues have been
identified that need to be taken into account in the design of new studies and in the …

This review covers the basic anatomy and physiology of the olivocochlear reflexes and the
use of otoacoustic emissions (OAEs) in humans to monitor the effects of one group, the …