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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 enabling hearing
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
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
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
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
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
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
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
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
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
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
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)
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
mechanical signal into an electrical signal. The auditory nerve, also called the cochlear nerve, then transmits action potentials to the central auditory
Binaural_fusion
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
Medical condition
loss (SSNHL), acoustic neuroma, anomalies inner ear abnormalities, cochlear nerve deficiency (CND), mumps, congenital cytomegalovirus (CMV) infection
Unilateral_hearing_loss
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
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)
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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)
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
Austrian electrical engineer (born 1940)
engineer whose research focuses in the fields of biomedical engineering and cochlear implant design. He has been a professor at the Institute of Experimental
Erwin_Hochmair
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
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
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
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
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
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
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
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
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
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
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
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
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)
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
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
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)
Three genetic disorders involving benign tumors of the nervous system
may be surgically removed, or treated with Radiation and chemotherapy. A cochlear implant or auditory brainstem implant may help with hearing loss. In the
Neurofibromatosis
Branch of science that studies hearing, balance, and related disorders
recommendations for interventions or rehabilitation (e.g. hearing aids, cochlear implants, appropriate medical referrals). In addition to diagnosing audiologic
Audiology
Membrane in the cochlea in the inner ear
separates the cochlear duct from the vestibular duct. It helps to transmit vibrations from fluid in the vestibular duct to the cochlear duct. Together
Vestibular_membrane
Sensory perception of sound by living organisms
The sound information from the cochlea travels via the auditory nerve to the cochlear nucleus in the brainstem. From there, the signals are projected
Hearing
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
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
Organ of hearing and balance
to the cochlear duct, which appears approximately during the sixth week and connects to the saccule through the ductus reuniens. As the cochlear duct's
Ear
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
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
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
COCHLEAR NERVE
COCHLEAR NERVE
Surname or Lastname
English
English : variant of Locklear.
Boy/Male
Hindu
Spirited, Energy, Nerve
Boy/Male
Tamil
Spirited, Energy, Nerve
Surname or Lastname
English
English : variant of Locklear.
Girl/Female
Hindu, Indian
Nerve in Brain
Boy/Male
Dutch
Strong.
COCHLEAR NERVE
COCHLEAR NERVE
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit, Sindhi, Tamil, Telugu
Entertaining; Pleasing; Delights to Parents
Male
Hebrew
(×¢Ö´×žÖ¸Ö¼× ï¬µ×ֵל) Hebrew name IMMANUW'EL means "God is with us." In the bible, this is the name of the promised Messiah as prophesied by Isaiah.
Girl/Female
Biblical
Branch, layer, lining.
Boy/Male
Tamil
Lord Shiva
Surname or Lastname
English and Irish
English and Irish : variant spelling Farren.
Boy/Male
Celtic
From the narrow river.
Boy/Male
Indian, Punjabi, Sikh
Light of Excellence
Girl/Female
Indian
Goddess Parvati
Girl/Female
Hindu, Indian
Taking the Form of a Man
Boy/Male
Tamil
COCHLEAR NERVE
COCHLEAR NERVE
COCHLEAR NERVE
COCHLEAR NERVE
COCHLEAR NERVE
n.
The central column in the osseous cochlea of the ear.
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.
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.
a.
Same as Cochleate.
a.
Situated over or above a trochlea or trochlear surface; -- applied esp. to one of the subdivisions of the trigeminal nerve.
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.
a.
Of or pertaining to the cochlea.
n.
The opening by which the two scalae communicate at the top of the cochlea of the ear.
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.
Having three nerves.
n.
A spoonful.
n.
An appendage of the labyrinth of the internal ear, which is elongated and coiled into a spiral in mammals. See Ear.
n.
One who takes and sells cockles.
n.
A term applied to any one of the three canals of the cochlea.
n.
The top of the spire of the cochlea of the ear.
a.
Pertaining to the sacculus and cochlea of the ear.
a.
Pertaining to, or connected with, a trochlea; trochlear; as, the trochleary, or trochlear, nerve.
n.
A spoon.
a.
Alt. of Cochleated