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Nerve carrying auditory information from the inner ear to the brain
The cochlear nerve (also auditory nerve or acoustic nerve) is one of two parts of the vestibulocochlear nerve, a cranial nerve present in amniotes, the
Cochlear_nerve
Prosthesis
direct electrical stimulation of the auditory nerve. Through everyday listening and auditory training, cochlear implants allow both children and adults to
Cochlear_implant
Two cranial nerve nuclei of the human brainstem
The cochlear nucleus (CN) or cochlear nuclear complex comprises two cranial nerve nuclei in the human brainstem, the ventral cochlear nucleus (VCN) and
Cochlear_nucleus
Cranial nerve for hearing and balance
vestibulocochlear nerve consists mostly of bipolar neurons and splits into two large divisions: the cochlear nerve and the vestibular nerve. Cranial nerve 8, the
Vestibulocochlear_nerve
Snail-shaped part of inner ear involved in hearing
Cross-section of the cochlea. Bony labyrinth Membranous labyrinth Cochlear implant Cochlear nerve Cochlear nuclei Evolution of the cochlea Noise health effects Hearing
Cochlea
Hearing loss caused by an inner ear or vestibulocochlear nerve defect
to the cochlear nerve (CVIII). This damage may affect the initiation of the nerve impulse in the cochlear nerve or the transmission of the nerve impulse
Sensorineural_hearing_loss
Topics referred to by the same term
lateral) cochlear nucleus Vestibular-cochlear or Vestibulocochlear nerve, the eighth cranial nerve Cochlear nerve, a division of the eighth cranial nerve Cochlear
Cochlear
Anatomical structure
their axons to the ventral and dorsal cochlear nuclei as the cochlear nerve, a branch of the vestibulocochlear nerve (CN VIII). Neurons whose cell bodies
Spiral_ganglion
Nerves that emerge directly from the brain
moving objects. The cochlear nerve transmits information from the cochlea, allowing sound to be heard. When damaged, the vestibular nerve may give rise to
Cranial_nerves
Branch of the vestibulocochlear nerve
vestibular nerve is one of the two branches of the vestibulocochlear nerve (the cochlear nerve being the other). In humans the vestibular nerve transmits
Vestibular_nerve
Collection of neurons in the brain stem
visceromotor Nuclei present in the Pons Cochlear nuclei (VIII) - sensory Dorsal cochlear nucleus Ventral cochlear nucleus Vestibular nuclei (VIII) - sensory
Cranial_nerve_nucleus
Conical shaped central axis in the cochlea
the central axis in humans. The cochlear nerve, as well as spiral ganglion is situated inside it. The cochlear nerve conducts impulses from the receptors
Modiolus_(cochlea)
Type of neurofibromatosis disease
hearing is totally lost. However, the amount of destruction to the cochlear nerve caused by the typical NF2 schwannoma often precludes the use of such
Neurofibromatosis_type_II
Neuron cluster in the brainstem
brainstem. Along with the ventral cochlear nucleus (VCN), it forms the cochlear nucleus (CN), where all auditory nerve fibers from the cochlea form their
Dorsal_cochlear_nucleus
Canal within the temporal bone
major nerve branches of the inner ear: anterior superior - facial nerve area (contains facial nerve and nervus intermedius) anterior inferior - cochlear nerve
Internal_auditory_meatus
Pathological condition of the inner ear
Cochlear hydrops (or cochlear Meniere's or cochlear endolymphatic hydrops) is a condition of the inner ear involving a pathological increase of fluid
Cochlear_hydrops
mechanical signal into an electrical signal. The auditory nerve, also called the cochlear nerve, then transmits action potentials to the central auditory
Binaural_fusion
System of tubes and chambers in the inner ear of humans
distributions of the cochlear nerve, one of the two branches of the vestibulocochlear nerve. The other branch is the vestibular nerve. Within the vestibule
Membranous_labyrinth
Auditory sensory receptor nerve cells
in cochlear hair cells that detect auditory signals. Neurons of the auditory or vestibulocochlear nerve (the eighth cranial nerve) innervate cochlear and
Hair_cell
Perilymph-filled cavity in the inner ear of humans
to bend. They then depolarise and send impulses to the brain via the cochlear nerve. This produces the sensation of sound. Interior of right osseous labyrinth
Tympanic_duct
Condition of the inner ear
towards a cochlear dysfunction, while its absence (also referred to as negative recruitment) indicates a source outside the cochlea (e.g. cochlear nerve injury
Recruitment_(medicine)
Sensory system used for hearing
or behind). Cochlear nerve fibers (30,000+) each have a most sensitive frequency and respond over a wide range of levels. Simplified, nerve fibers' signals
Auditory_system
Neuron cluster of the brain stem
In the ventral cochlear nucleus (VCN), auditory nerve fibers enter the brain via the nerve root in the VCN. The ventral cochlear nucleus is divided into
Ventral_cochlear_nucleus
Loss of hearing
are surgically placed devices that stimulate the cochlear nerve to help the person hear. A cochlear implant is used instead of hearing aids to help when
Deafness
Benign tumor of the vestibulocochlear cranial nerve
The tumor originates mostly on the vestibular division of the nerve rather than the cochlear division, but hearing as well as balance will be affected as
Vestibular_schwannoma
Part of the auditory pathway
portion of the efferent second-order fibers of the ventral cochlear nucleus (anterior cochlear nucleus). After decussating, some of these fibres proceed
Trapezoid_body
Partial or total inability to hear
and their movement generates nerve impulses which are then taken to the brain by the cochlear nerve. The auditory nerve takes the impulses to the brainstem
Hearing_loss
branch of the facial nerve Cervical plexus Chorda tympani Ciliary ganglion Coccygeal nerve Cochlear nerve Common fibular nerve Common palmar digital
List of nerves of the human body
List_of_nerves_of_the_human_body
Medical intervention
voluntary and involuntary eye movements. It evaluates the cochlear nerve and the oculomotor nerve (CN III). The ENG can be used to determine the origin of
Electronystagmography
Australian public company
Cochlear is a medical device company that designs, manufactures, and supplies the Nucleus cochlear implant, the Hybrid electro-acoustic implant and the
Cochlear_Limited
Increased sensitivity to sound and decreased tolerance of noise
afferent fibers of the cochlear nerve are not responsible for hearing like the type I afferent fibers. They are thought to be cochlear pain neurons. Gain
Hyperacusis
Innermost part of the vertebrate ear
separate the cochlear duct from the perilymphatic scala vestibuli, a cavity inside the cochlea. The basilar membrane separates the cochlear duct from the
Inner_ear
Surgical removal of a peripheral nerve
an operation that severs the vestibular nerve, which contributes to balance, while sparing the cochlear nerve, which contributes to hearing. The procedure
Neurectomy
Theory of the mechanism of hearing
the hair cells are deflected and the more likely they are to cause cochlear nerve firings. Temporal theory supposes that the consistent timing patterns
Temporal_theory_(hearing)
Cumulative effect of aging on hearing
neuropathy. Persons with cochlear deficits fail otoacoustic emissions testing, while persons with 8th cranial nerve (vestibulocochlear nerve) deficits fail auditory
Presbycusis
Part of the auditory system
tubercle is a nucleus on the end of the cochlear nerve. The cochlear nerve is lateral to the root of the vestibular nerve. Its fibers end in two nuclei: one
Acoustic_tubercle
Screening test for hearing
the cochlea with its internal basilar membrane and attached cochlear nerve (cranial nerve VIII). The outer ear consisting of the pinna, ear canal, and
Weber_test
Medical condition
loss (SSNHL), acoustic neuroma, anomalies inner ear abnormalities, cochlear nerve deficiency (CND), mumps, congenital cytomegalovirus (CMV) infection
Unilateral_hearing_loss
Receptor organ for hearing
signals into nerve impulses' action potential. Transduction occurs through vibrations of structures in the inner ear causing displacement of cochlear fluid and
Organ_of_Corti
Mathematical descriptions of the properties of certain cells in the nervous system
Kim DO (September 1982). "Stimulus and recovery dependence of cat cochlear nerve fiber spike discharge probability". Journal of Neurophysiology. 48 (3):
Biological_neuron_model
Neural phenomenon
potential originated from the cochlear nerve, but it was later discovered that the response is non-neural and is cochlear in origin, specifically from
Frequency_following_response
Inflammation of the ear canal
laryngeal nerve (causing vocal cord paralysis), [citation needed] and the cochlear nerve (causing deafness). The infecting organism is almost always pseudomonas
Otitis_externa
Mechanosensing organelles of hair cells
causes receptor depolarization and leads to the excitement of the cochlear nerve afferents that are located at the base of the hair cell. Deflections
Stereocilia_(inner_ear)
Sound frequency changes responsible for perceptions of loudness, pitch and timbre
amplitude-modulated (AM) sounds. Cochlear filtering limits the range of AM rates encoded in individual auditory-nerve fibers. In the auditory nerve, the strength of the
Temporal envelope and fine structure
Temporal_envelope_and_fine_structure
2008 South Korean television series
headaches and tinnitus are the symptoms of a tumor that is impinging on her cochlear nerve, an acoustic neuroma, perhaps, which will eventually cause complete
Beethoven_Virus
Engineered organ replacement
array of electrodes placed in the cochlea, which in turn stimulates the cochlear nerve. In the case of an outer ear trauma, a craniofacial prosthesis may be
Artificial_organ
Component of the auditory system
Rasumssen, G. L. (1960). "Chapter 8: Efferent Fibers of the Cochlear Nerve and Cochlear Nucleus". In Rasmussen, G. L.; Windle, W. F. (eds.). Neural Mechanisms
Olivocochlear_system
Topics referred to by the same term
mammals other than primates Auditory nerve, also known as the cochlear nerve is one of two parts of a cranial nerve Auditory ossicles, three bones in the
Auditory
Overview of and topical guide to the human nervous system
Vestibulocochlear nerve Vestibular nerve Cochlear nerve Glossopharyngeal nerve Tympanic nerve Tympanic plexus Lesser petrosal nerve Vagus nerve Superior laryngeal
Outline of the human nervous system
Outline_of_the_human_nervous_system
Region of the brainstem
cochlear nucleus, which process auditory input from the cochlea, lie on the border of the pons and the medulla. Some of the fibers from the cochlear nerve
Pontine_tegmentum
Division of the autonomic nervous system
tympanic plexus on the cochlear promontory of the mesotympanum. The tympanic plexus of nerves rejoin and form the lesser petrosal nerve and exit through the
Parasympathetic nervous system
Parasympathetic_nervous_system
Neural prosthesis to improve balance
additional electrodes are added to those of the cochlear implant to stimulate nerve fibers of otolithic and cochlear origin. Reports have shown the reappearance
Vestibular_implant
Baltic German scientist
short distance from the saccule. Böttcher's ganglion: Ganglion on the cochlear nerve in the internal auditory meatus. Böttcher's space: Also known as the
Arthur_Böttcher
What is perceived after a physiological stimulus
hair cells are stimulated and the intensity of firing of axons in the cochlear nerve is increased. However, because the rate of firing also defines low pitch
Stimulus_modality
Medical intervention
illness or injury damaging the cochlea or auditory nerve, and so precluding the use of a cochlear implant). In Europe, ABIs have been used in children
Auditory_brainstem_implant
Protein-coding gene in the species Homo sapiens
corneal stroma conjunctival fornix medullary collecting duct renal pelvis cochlear nerve corneal epithelium More reference expression data BioGPS n/a Gene ontology
ALDH1A3
Hearing disorder
hearing aids or cochlear implants could increase success of these amplification devices. Some people with auditory neuropathy obtain cochlear implants, also
Auditory_neuropathy
Electrical recording of the ear's response to sound stimulation
the study and concluded that the waves were in fact cochlear origin and not from the auditory nerve. Fromm et al. were the first investigators to employ
Electrocochleography
Part of the brainstem in humans and other bipeds
(SVA) column; the cochlear and vestibular nuclei, which form the special somatic afferent (SSA) fibers of the vestibulocochlear nerve, the spinal and principal
Pons
Clinical audiologist
that connect hair cells in the cochlea to auditory nerve fibers. Their research has shown that cochlear synapses may be temporarily or permanently damaged
Sharon_Kujawa
Discipline related to neuroscience and biomedical engineering
external ear, cochlear implants acquire and process the sound and convert it into electrical energy for subsequent delivery to the auditory nerve. The microphone
Neuroprosthetics
Representation of auditory sensation and perception in the nervous system
an electrical nerve impulse in about 10 microseconds.[citation needed] There are two types of afferent neurons found in the cochlear nerve: Type I and Type
Neural_encoding_of_sound
Overview of and topical guide to the human brain
formulation of language Cochlear nerve (part of cranial nerve 8) – the main hearing-related cranial nerve Smell Olfactory nerve (cranial nerve 1) – the main smell-related
Outline_of_the_human_brain
Biological sound detection process
which synapse onto spiral ganglion fibers that travel through the cochlear nerve into the brain. In vertebrates, interaural time differences are known
Sound_localization
Capillary in the outer wall of the cochlear duct
stria vascularis of the cochlear duct is a capillary loop in the upper portion of the spiral ligament (the outer wall of the cochlear duct or scala media)
Stria vascularis of cochlear duct
Stria_vascularis_of_cochlear_duct
Medical testing
to test for hearing deficits caused by pathology within the ear, the cochlear nerve and also within the brainstem. This test can be used to identify delays
Diagnosis_of_hearing_loss
American physiologist (1896–1992)
investigating how neurological impulses are transmitted to the brain via the cochlear nerve. His studies led to the development of electrical-response audiometry
Hallowell_Davis
Neuron cluster of the medulla
corresponds to CN VIII, corresponding to the vestibular nerve, which joins with the cochlear nerve. It receives its blood supply from the Posterior Inferior
Medial_vestibular_nucleus
Electrical potential evoked in the nervous system
potential is generated in the cochlea, goes through the cochlear nerve, through the cochlear nucleus, superior olivary complex, lateral lemniscus, to
Evoked_potential
Multinational medical device company
implants and devices. They develop and manufacture products including cochlear implants, middle ear implants and bone conduction systems. MED-EL is
MED-EL
engineering, and cochlear implant pioneer. After becoming an expert in magnetics and a professor at Stanford, White switched to working on cochlear implants.
Robert_L._White_(engineer)
nucleus, and in it terminate many of the ascending branches of the vestibular nerve. It consists of very large multipolar cells whose axons form an important
Lateral_vestibular_nucleus
climbing fiber clinoid clitoris clivus cloaca clonus coccyx cochlea cochlear duct cochlear nerve coeliac coelom coeruleus collar bone collateral eminence collateral
Index_of_anatomy_articles
Cranial nuclei for the vestibular nerve
brainstem. The fibers of the vestibular nerve enter the medulla oblongata on the medial side of those of the cochlear, and pass between the inferior peduncle
Vestibular_nuclei
Auditory phenomenon in the brain
diagnosing hearing loss type and degree, auditory nerve and brainstem lesion detection, and in development of cochlear implants. Site-of-lesion testing is sensitive
Auditory_brainstem_response
Disorder of the inner ear
called vestibular Ménière's disease, showing symptoms of vertigo, and cochlear Ménière's disease, showing symptoms of hearing loss and tinnitus. The mechanism
Ménière's_disease
Medical intervention
Cochlear implants improve outcomes in people with hearing loss in either one or both ears. They work by artificial stimulation of the cochlear nerve by
Management_of_hearing_loss
perception even though the tympanic membrane, middle ear structures, and cochlear nerve are intact. People with auditory neuropathy may have normal hearing
Causes_of_hearing_loss
Membrane separating the external ear from the middle ear
ear thereby converts and amplifies vibration in the air to vibration in cochlear fluid. The malleus bone bridges the gap between the eardrum and the other
Eardrum
decibels is indicative of cochlear hearing loss. A decay of more than 25 decibels is indicative of damage to the vestibulocochlear nerve. A tone at the frequency
Tone_decay_test
Biological neuron model
Kim, D O (September 1982). "Stimulus and recovery dependence of cat cochlear nerve fiber spike discharge probability". Journal of Neurophysiology. 48 (3):
Spike_response_model
Branch of medicine for the ear
with risk to the hearing and balance organs, including labyrinthectomy, cochlear implant surgery, and surgery for tumors of the temporal bone, such as intracanalicular
Otology
Purposeful modulation of nervous system activity
Tentative evidence supports transcutaneous supraorbital nerve stimulation. Side effects are few. Cochlear implants have provided partial hearing to more than
Neurostimulation
Australian professor of otolaryngology
the cochlear wall, facilitating insertion. The bands had to be wide enough to minimize charge density for safety yet narrow enough for precise nerve fiber
Graeme_Clark_(doctor)
the cochlea with its internal basilar membrane and attached cochlear nerve (cranial nerve VIII). The outer ear consisting of the pinna, ear canal, and
Glossary_of_medicine
Synapse in the mammalian auditory central nervous system
of the MNTB (medial nucleus of the trapezoid body) and VCN (ventral cochlear nerve), eventually connecting with one another by projecting across the midline
Calyx_of_Held
Inner ear fluid
Hearing: Cochlear duct: fluid waves in the endolymph of the cochlear duct stimulate the receptor cells, which in turn translate their movement into nerve impulses
Endolymph
Medical condition
depletion and gliosis of the cochlear nucleus on both sides of the brainstem, and demyelination and axonal loss of the cochlear nerve. The authors said that
Madras_motor_neuron_disease
Professor of otolaryngology
the basic mechanisms underlying auditory neural processing by users of cochlear implants, auditory brainstem implants, and midbrain implants. Shannon received
Robert_V._Shannon
Medical condition
between inner hair cells and spiral ganglion nerve fibers, leading to a disorder referred to as cochlear synaptopathy or hidden hearing loss. This disorder
Noise-induced_hearing_loss
Type of therapy
cannot use a cochlear implant due to a damaged or missing cochlea or auditory nerve Functional electrical stimulation (FES) Vagus nerve stimulation (VNS)
Neuromodulation_(medicine)
Open-source software
retina Electron Microscopic Mapping of Mitochondrial Morphology in the Cochlear Nerve Fibers "Webknossos on GitHub". GitHub. Boergens, Kevin M; Berning, Manuel;
Webknossos
False perception of sound
many different causes, but among those with tinnitus, the major cause is cochlear injury. In many cases, no underlying cause is identified. Ototoxic drugs
Tinnitus
types of second order neuron found in the anterior part of the ventral cochlear nucleus, the AVCN. They can be globular or spherical giving outputs to
Bushy_cell
Three genetic disorders involving benign tumors of the nervous system
cancerous. Radiation and chemotherapy may also be used if cancer occurs. A cochlear implant or auditory brainstem implant may help some who have hearing loss
Neurofibromatosis
Structure of the brain stem
afferent column. The spinal trigeminal nerve nuclei which contains the general somatic afferent column. The cochlear and vestibular nuclei, which contain
Medulla_oblongata
Ganglion of the vestibular nerve
the fibers of second-order neurons of the vestibular nerve merge with those of the cochlear nerve (whose first-order neurons have already synapsed at the
Vestibular_ganglion
Medical condition
labyrinthine aplasia. Evaluation for cochlear implantation in patients who have cochleovestibular nerve and a cochlear remnant. This is done in children
Michel_aplasia
Physicist
Hensen's-cell vibrations in the cochlea. Fractal character of the cochlear-nerve-fiber spike train. Fractal shot noise. Quantum Photonics: Entangled-photon
Malvin_Carl_Teich
Sensory organ in the inner ear
the semicircular canals, which are the vestibular organs, as well as the cochlear duct, which is involved in the special sense of hearing. The semicircular
Crista_ampullaris
COCHLEAR NERVE
COCHLEAR NERVE
Boy/Male
Dutch
Strong.
Surname or Lastname
English
English : variant of Locklear.
Girl/Female
Hindu, Indian
Nerve in Brain
Boy/Male
Tamil
Spirited, Energy, Nerve
Boy/Male
Hindu
Spirited, Energy, Nerve
Surname or Lastname
English
English : variant of Locklear.
COCHLEAR NERVE
COCHLEAR NERVE
Girl/Female
Spanish
Feminine of Stephan.
Boy/Male
Native American
Wild beast.
Surname or Lastname
English (chiefly Devon)
English (chiefly Devon) : from a Middle English pet form of the Old English personal name Hocca.Dutch : patronymic from Hock 4.
Girl/Female
Hindu, Indian
Success; Fulfilment; Money and Good Luck
Boy/Male
Hindu, Indian, Traditional
Lord Krishna
Boy/Male
Tamil
One who rules the body origen
Boy/Male
Tamil
Gurubachan | கà¯à®°à¯à®ªà®šà®¨
The voice of the Guru
Boy/Male
Tamil
The won who wins over desires
Boy/Male
English
Steward.
Female
African
bring me home.
COCHLEAR NERVE
COCHLEAR NERVE
COCHLEAR NERVE
COCHLEAR NERVE
COCHLEAR NERVE
n.
The top of the spire of the cochlea of the ear.
a.
Alt. of Cochleated
a.
Of or pertaining to the cochlea.
n.
A wading bird (Cancroma cochlearia) of the tropical parts of South America. Its bill is somewhat like a boat with the keel uppermost.
a.
Same as Cochleate.
n.
One who takes and sells cockles.
a.
Situated over or above a trochlea or trochlear surface; -- applied esp. to one of the subdivisions of the trigeminal nerve.
a.
Having three nerves.
n.
A term applied to any one of the three canals of the cochlea.
n.
The central column in the osseous cochlea of the ear.
n.
The opening by which the two scalae communicate at the top of the cochlea of the ear.
n.
Shaped like, or resembling, a pulley; pertaining to, or connected with, a trochlea; as, a trochlear articular surface; the trochlear muscle of the eye.
n.
The terminal part of the cochlea in birds and most reptiles; an appendage of the sacculus, corresponding to the cochlea, in fishes and amphibians.
a.
Pertaining to the sacculus and cochlea of the ear.
n.
An appendage of the labyrinth of the internal ear, which is elongated and coiled into a spiral in mammals. See Ear.
n.
A spoon.
n.
A pulley, or a structure resembling a pulley; as, the trochlea, or pulleylike end, of the humerus, which articulates with the ulna; or the trochlea, or fibrous ring, in the upper part of the orbit, through which the superior oblique, or trochlear, muscle of the eye passes.
n.
A spoonful.
a.
Pertaining to, or connected with, a trochlea; trochlear; as, the trochleary, or trochlear, nerve.