AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsHealth Care
Cochlear NucleusCochlear NerveAuditory PathwaysVestibulocochlear NerveCell NucleusAcoustic StimulationEvoked Potentials, Auditory, Brain StemOlivary NucleusTinnitusBrain StemInferior ColliculiNeuronsGerbillinaeNoiseCochleaAuditory Brain Stem ImplantsAuditory ThresholdCatsAction PotentialsPitch PerceptionAuditory PerceptionTrigeminal Nucleus, SpinalNeural InhibitionSound LocalizationEvoked Potentials, AuditoryChinchillaNerve FibersSynapsesSoundSynaptic TransmissionSpiral GanglionVesicular Glutamate Transport Protein 2StrychnineNucleus AccumbensHearing Loss, Noise-InducedElectric StimulationHearing Loss, CentralAnterior Thalamic NucleiVesicle-Associated Membrane Protein 1Mice, Inbred CBAExcitatory Postsynaptic PotentialsAfferent PathwaysGuinea PigsVesicular Glutamate Transport Protein 1StrigiformesTensor TympaniDecerebrate StateHearing Loss, ConductiveThalamic NucleiReaction TimeSolitary NucleusGlycine AgentsPonsModels, NeurologicalGlycineDeafnessPatch-Clamp TechniquesMice, Inbred ICRGAP-43 ProteinDendritesVestibular Nucleus, LateralHearingAnimals, NewbornElectrophysiologyRaphe NucleiTime FactorsDifferential ThresholdInhibitory Postsynaptic PotentialsNeuronal PlasticityCerebellar NucleiSeptal NucleiActive Transport, Cell NucleusElapid VenomsArcuate NucleusCaudate NucleusGABA AntagonistsReceptors, GlycineHorseradish PeroxidaseParaventricular Hypothalamic NucleusAxonsHearing Loss, High-FrequencyPsychoacousticsInterneuronsReceptors, AMPATime PerceptionImmunohistochemistry
Dorsal cochleaVentralImplantsMedialNeuronsNeuroscienceBrainstemCerebellumNerveInferiorSensory nucleusLateral lemniscusElectrodesCranialImplant soundIpsilateralTonotopicInner earNerves20212018SensorineuralProcessorsBahaAcoustic1970sStimulationTinnitus2017ImplantableImplantation2020ElectrodeRecipientsSkinsMiceSystemAdvancesDevicePatterns
Dorsal cochlea10
  • The cochlear nuclear (CN) complex comprises two cranial nerve nuclei in the human brainstem, the ventral cochlear nucleus (VCN) and the dorsal cochlear nucleus (DCN). (wikipedia.org)
  • The ventral cochlear nucleus is unlayered whereas the dorsal cochlear nucleus is layered. (wikipedia.org)
  • At the nerve root the fibers branch to innervate the ventral cochlear nucleus and the deep layer of the dorsal cochlear nucleus. (wikipedia.org)
  • The dorsal cochlear nucleus (DCN), also known as the tuberculum acusticum or acoustic tubercle, curves over the VCN and wraps around the cerebellar peduncle. (wikipedia.org)
  • Axons from the spiral ganglion cells of the lower frequencies innervate the ventrolateral portions of the ventral cochlear nucleus and lateral-ventral portions of the dorsal cochlear nucleus. (wikipedia.org)
  • The axons from the higher frequency organ of corti hair cells project to the dorsal portion of the ventral cochlear nucleus and the dorsal-medial portions of the dorsal cochlear nucleus. (wikipedia.org)
  • The mammalian dorsal cochlear nucleus (DCN) integrates auditory nerve input with nonauditory signals via a cerebellar-like granule cell circuit. (elsevierpure.com)
  • Balakrishnan, V & Trussell, LO 2008, ' Synaptic inputs to granule cells of the dorsal cochlear nucleus ', Journal of neurophysiology , vol. 99, no. 1, pp. 208-219. (elsevierpure.com)
  • The BSE-challenged mice (A-C) show confluent vacuolation in the dorsal cochlear nucleus that extends ventrally with increasing lesion severity. (cdc.gov)
  • 1. The principal cells of the dorsal cochlear nucleus (DCN) are mostly inhibited by best frequency (BF) tones but are mostly excited by broadband noise (BBN), producing the so-called type IV response characteristic. (johnshopkins.edu)
Ventral4
  • The ventral cochlear nucleus (VCN) on the ventral aspect of the brain stem, ventrolateral to the inferior peduncle. (wikipedia.org)
  • Three types of principal cells convey information out of the ventral cochlear nucleus: Bushy cells, stellate cells, and octopus cells. (wikipedia.org)
  • The medium multipolar cells were most common, and resembled the multipolar cells of the mammalian ventral cochlear nucleus. (njit.edu)
  • Axons from the ventral cochlear nucleus project through the trapezoid body to the ipsilateral and contralateral superior olivary complex. (slavery.org.uk)
Implants23
  • This is the first iPhone compatible device designed to work with cochlear implants that does not require an app to be downloaded. (adafruitdaily.com)
  • It is a direct descendant of the original cochlear implants, also known as Nucleus, developed by Dr Graeme Clark in Melbourne during the 1970s. (techinfobit.com)
  • Cochlear implants are already FDA approved for those with moderate-to-profound bilateral sensorineural hearing loss. (hearingreview.com)
  • With this approval, Cochlear can expand implantable treatment options for those with UHL/SSD to include cochlear implants, for the first time, according to its announcement. (hearingreview.com)
  • Cogan, 2008 ), with cochlear implants, DBS and retinal implants all using Pt for neural interfacing. (frontiersin.org)
  • Cochlear implants are options for habilitation (i.e., helping a person develop or learn new skills or abilities) or rehabilitation (i.e., helping a person relearn old skills that were lost somehow) available for individuals with profound hearing impairment (Geers & Moog, 1994). (hoagiesgifted.org)
  • In 1990 cochlear implants were approved by the United States Food and Drug Administration for children between the ages of 2 and 17. (hoagiesgifted.org)
  • Most early research focused on the benefit gained from use of cochlear implants in conjunction with speechreading (Geers & Moog, 1992). (hoagiesgifted.org)
  • More recent research has investigated the receptive and expressive language gains experienced by users of cochlear implants (Hasenstab & Tobey, 1991). (hoagiesgifted.org)
  • Research shows that pediatric implant users gain substantial benefit from multichannel cochlear implants, that these benefits develop over a long course of time, and that multichannel implants are more beneficial than single-channel devices (Hasenstab, 1989). (hoagiesgifted.org)
  • Several significant factors interact in the consideration of cochlear implants as an option. (hoagiesgifted.org)
  • Trends in effective use of cochlear implants have been observed. (hoagiesgifted.org)
  • Applicants with cochlear implants meet this eligibility requirement. (disabled-world.com)
  • Those who are born deaf (prelingual deafness), as well as children and adults who lost their hearing from either disease or trauma (post lingual deafness), can experience the gift of hearing thanks to cochlear implants. (earsurgery.org)
  • The earliest cochlear implants consisted of a single active electrode, introduced into the inner ear, through the cochlear wall next to the round window. (earsurgery.org)
  • Today's cochlear implants feature multiple electrodes that stimulate the residual nerve of hearing, combined with sophisticated processing strategies allows for excellent recognition and understanding of speech in most implanted patients after appropriate programming sessions. (earsurgery.org)
  • The Cochlear Corporation Nucleus C-512 implant is currently being used in most of Dr. Levenson's implants. (earsurgery.org)
  • Guidelines for cochlear implants have broadened over the years and patience with some residual hearing but very poor word understanding may also be candidates for cochlear implants. (earsurgery.org)
  • In addition, some pilot studies here and abroad have confirmed that cochlear implants achieve major benefits in some individuals with single-sided deafness and over time this may become an option for those who have lost all hearing in one ear. (earsurgery.org)
  • Programming adjustments to a cochlear implant are performed at specialized cochlear implant centers or at clinics by audiologists with expertise in cochlear implants. (nyrealestatelawblog.com)
  • According to the National Institutes of Health, in the United States, roughly 58,000 cochlear implants have been implanted in adults and 38,000 in children, as of 2012. (nyrealestatelawblog.com)
  • Cochlear implants often require regular programming visits with an audiologist. (nyrealestatelawblog.com)
  • In 2018, Dr Shivdasani joined UNSW as a Senior Lecturer in Bionics and Neuromodulation and continues to dabble in various bionics projects related to retinal implants, cochlear implants, neuroscience of touch and nerve stimulation to treat chronic pain. (edu.au)
Medial4
  • Medial nucleus of trapezoid body (MNTB) - Contralateral stimulation. (wikipedia.org)
  • Hearing effect pulsed microwave exposure increases rat brain glucose metabolism by [ 14 C] 2-deoxy-D-glucose with particular auditory pathway prominence in the cochlear nucleus, the superior olivary complex, the inferior colliculus, and medial geniculate body. (slavery.org.uk)
  • Extensive interconnections exist between many of these nuclei, as well as with other brainstem nuclei and white matter tracts, such as the medial lemniscus and medial longitudinal fasciculus . (radiopaedia.org)
  • The division of cranial nerve (CN) VIII into the cochlear and vestibular branches may occur in the medial segment of the IAC or in the subarachnoid space. (medscape.com)
Neurons8
  • There are three major fiber bundles, axons of cochlear nuclear neurons, that carry information from the cochlear nuclei to targets that are mainly on the opposite side of the brain. (wikipedia.org)
  • The inferior colliculus receives direct, monosynaptic projections from the superior olivary complex, the contralateral dorsal acoustic stria, some classes of stellate neurons of the VCN, as well as from the different nuclei of the lateral lemniscus. (wikipedia.org)
  • 1 . Bahmer A, Langner G (2006) Oscillating neurons in the cochlear nucleus: II. (yale.edu)
  • 2 . Bahmer A, Langner G (2006) Oscillating neurons in the cochlear nucleus: I. Experimental basis of a simulation paradigm. (yale.edu)
  • 4 . Bahmer A, Langner G (2009) A simulation of chopper neurons in the cochlear nucleus with wideband input from onset neurons. (yale.edu)
  • Ptf1a expression is necessary for correct targeting of spiral ganglion neurons within the cochlear nuclei. (illumina.com)
  • Cochlear implant prostheses are designed to create hearing sensation by direct electrical stimulation of auditory neurons (nerves). (hoagiesgifted.org)
  • The longer central processes of the bipolar cochlear neurons unite to form the cochlear nerve trunk. (medscape.com)
Neuroscience1
  • 2016 ) Altered vesicular glutamate transporter distributions in the mouse cochlear nucleus following cochlear insult Neuroscience . (neurotree.org)
Brainstem5
  • The outputs from the cochlear nuclei are received in higher regions of the auditory brainstem. (wikipedia.org)
  • The cochlear nuclei (CN) are located at the dorso-lateral side of the brainstem, spanning the junction of the pons and medulla. (wikipedia.org)
  • The cochlear nerve arises from the vestibulocochlear nerve for transmission to the cochlear nuclear complex at the brainstem pontomedullary junction. (slavery.org.uk)
  • Other nuclei, however, are long and span several regions of the brainstem contributing to several cranial nerves. (radiopaedia.org)
  • Several motor and sensory nuclei form longitudinal columns in the brainstem, leading to some authors describing them as single discontinuous longitudinal nuclear columns rather than the more numerous individual separate nuclei. (radiopaedia.org)
Cerebellum1
  • Central nervous system (CNS) components that mediate motion sickness include the vestibular system and brain stem nuclei, the hypothalamus, the nodulus and uvula of the cerebellum, and emetic pathways (eg, medullary chemoreceptor trigger zone, vomiting center, and emetic efferents). (msdmanuals.com)
Nerve12
  • Auditory nerve fibers, fibers that travel through the auditory nerve (also known as the cochlear nerve or eighth cranial nerve) carry information from the inner ear, the cochlea, on the same side of the head, to the nerve root in the ventral cochlear nucleus. (wikipedia.org)
  • The VCN is further divided by the nerve root into the posteroventral cochlear nucleus (PVCN) and the anteroventral cochlear nucleus (AVCN). (wikipedia.org)
  • The major input to the cochlear nucleus is from the auditory nerve, a part of cranial nerve VIII (the vestibulocochlear nerve). (wikipedia.org)
  • This tonotopic organization is preserved because only a few inner hair cells synapse on the dendrites of a nerve cell in the spiral ganglion, and the axon from that nerve cell synapses on only a very few dendrites in the cochlear nucleus. (wikipedia.org)
  • The cranial nerve nuclei are a series of bilateral grey matter motor and sensory nuclei located in the midbrain , pons and medulla that are the collections of afferent and efferent cell bodies for many of the cranial nerves . (radiopaedia.org)
  • Some nuclei are small and contribute to a single cranial nerve, such as some of the motor nuclei. (radiopaedia.org)
  • 2021 ) Age-related decline in cochlear ribbon synapses and its relation to different metrics of auditory-nerve activity. (neurotree.org)
  • The cochlear implant is thought to function by directly stimulating the surviving nerve population in the cochlea and spiral ganglion. (earsurgery.org)
  • The eighth cranial nerve (CN VIII) or vestibulocochlear nerve is composed of 2 different sets of fibers: (1) the cochlear nerve and (2) the vestibular nerve. (medscape.com)
  • The peripheral segments of the cochlear and vestibular nerves join at the lateral part of the internal auditory canal (IAC) to form the vestibulocochlear nerve. (medscape.com)
  • The fibers of the cochlear nerve originate from an aggregation of nerve cell bodies in the spiral ganglion, located in the modiolus of the cochlea. (medscape.com)
  • The longer central fibers, also called the primary auditory fibers, form the cochlear nerve, and the shorter, peripheral fibers extend to the bases of the inner and outer hair cells. (medscape.com)
Inferior1
  • The lateral lemniscus contains cells of the nuclei of the lateral lemniscus, and in turn projects to the inferior colliculus. (wikipedia.org)
Sensory nucleus1
  • The DCN is therefore in a sense a second order sensory nucleus. (wikipedia.org)
Lateral lemniscus2
  • Another pathway, called the dorsal acoustic stria (DAS, also known as the stria of von Monakow), rises above the medulla into the pons where it hits the nuclei of the lateral lemniscus along with its kin, the intermediate acoustic stria (IAS, also known as the stria of Held). (wikipedia.org)
  • Lateral lemniscus (LL) and lemniscal nuclei (LN) - Ipsilateral and contralateral stimulation. (wikipedia.org)
Electrodes2
  • Determination of the position of nucleus cochlear implant electrodes in the inner ear. (uchicago.edu)
  • A cochlear implant prosthesis is a device that includes an external package (microphone and speech processor) worn by the user and an internal package (an array of electrodes that is surgically implanted into the cochlea (end organ of hearing) in the inner ear. (hoagiesgifted.org)
Cranial1
  • The vestibular and cochlear (acoustic) ganglia neuroblasts are derived almost exclusively from the otocyst epithelium, in contrast to other cranial sensory ganglia in which both ganglionic and neural crest placodes make extensive contributions to the neuroblast populations. (medscape.com)
Implant sound3
  • Engage with the moments that matter and enjoy the comfort of the world's smallest and lightest behind-the-ear cochlear implant sound processor. (cochlear.com)
  • The Nucleus 7 is the latest Cochlear Implant Sound Processor for a person with severe to profound sensorineural hearing loss. (techinfobit.com)
  • The remote programming feature is indicated for patients who have had six months of experience with their cochlear implant sound processor and are comfortable with the programming process. (nyrealestatelawblog.com)
Ipsilateral2
  • The cochlear nuclei have long been thought to receive input only from the ipsilateral ear. (wikipedia.org)
  • Periolivary nuclei (PON) - Ipsilateral and contralateral stimulation. (wikipedia.org)
Tonotopic2
  • in this way the tonotopic organization that is established in the cochlea is preserved in the cochlear nuclei. (wikipedia.org)
  • However, the NL deviates from the Jeffress model in that there are striking differences in intrinsic electrical properties along the tonotopic axis of the nucleus that have been proposed to aid effective neural coding over different frequency ranges. (jneurosci.org)
Inner ear1
  • A cochlear implant is an implanted electronic hearing device, designed to produce useful hearing sensations to a person with severe to profound hearing loss, by electrically stimulating nerves inside the inner ear. (nyrealestatelawblog.com)
Nerves1
  • Herein, the idea is to explore obtaining the acoustic signals that would directly drive the cochlear nerves, without using a microphone, in which only the vibrations of the ossicles are employed. (researchgate.net)
20211
  • Cochlear Nucleus Reliability Report Volume 20 December 2021. (cochlear.com)
20181
Sensorineural1
  • Cochlear implanted children with prelinguistic sensorineural bilateral deafness of profound degree, using either the ACE or SPEAK coding strategy, were evaluated and compared. (cun.es)
Processors6
  • Building on the direct streaming capabilities and connectivity features available in our latest sound processors, the Nucleus 8 Sound Processor offers you even more ways to connect. (cochlear.com)
  • 11 Cochlear sound processors can be worn with any hearing aid, so no matter what hearing aid your child is using, they'll get the benefits of hearing with both ears. (cochlear.com)
  • One set of skins covers two Nucleus Kanso processors (left and right). (hearoes.co.uk)
  • Nucleus 7 and its compatibility with the smartphone is fascinating when you think as a person's perspective who is having the hearing loss problems or who are using the older or other kinds of sound processors. (techinfobit.com)
  • We offer various types of bands for speech processors or hearing aids: universal, EasyFlex, custom-made bands or all-in-one processors (eg Med-El Rondo, Cochlear Kanso). (smartear.eu)
  • Vowels, consonants, and sentences were processed through software emulations of cochlear-implant signal processors with 2-9 output channels. (researchgate.net)
Baha1
  • Cochlear is a Sydney, Australia based medical device company that designs, manufactures and supplies the Nucleus cochlear implant, the Hybrid electro-acoustic implant, and the Baha bone conduction implant since 1981. (techinfobit.com)
Acoustic3
  • All acoustic information thus enters the brain through the cochlear nuclei, where the processing of acoustic information begins. (wikipedia.org)
  • The purpose of the device is to improve speech recognition of cochlear implant users by representing acoustic (sound) information. (hoagiesgifted.org)
  • Following acoustic trauma, MEMRI, the SNA index, showed evidence of spatially dependent rearrangement of Mn2+ uptake within specific brain nuclei (i.e., reorganization). (cdc.gov)
1970s1
  • Background and Objectives: Since its invention in the 1970s, the cochlear implant (CI) has been substantially developed. (bvsalud.org)
Stimulation2
  • Clinical evaluation of higher stimulation rates in the nucleus research platform 8 system. (wikigenes.org)
  • In the present study, the ABVN was targeted using PRF, which can alter the sensory nociceptors [ 9 ] and the electric stimulation switch on the Nucleus of the Solitary Tract (NTS) [ 10 ]. (tinnitusjournal.com)
Tinnitus1
  • Reorganization of Mn2+ uptake in the superior olivary complex and cochlear nucleus was dependent upon tinnitus status. (cdc.gov)
20171
  • Cochlear expects to start shipping the Nucleus 7 in September of 2017. (adafruitdaily.com)
Implantable1
  • Long lasting batteries requiring little electric current will allow for a completely implantable cochlear device in the future. (earsurgery.org)
Implantation2
  • The results clearly demonstrate significant benefit of cochlear implantation in prelinguistically deafened children for speech perception ability when using either the SPEAK or ACE speech coding strategies. (cun.es)
  • the early results of cochlear implantation in very young children now appear to surpass those results obtained in older children. (earsurgery.org)
20201
  • Cochlear Nucleus Reliability Report, Volume 19 December 2020. (cochlear.com)
Electrode2
  • The Nucleus is a system combining an electrical simulation device that is surgically implanted behind a patient's ear, a processor that captures sounds, and an electrode array that relays the sounds to the brain. (techinfobit.com)
  • Evaluation of streamlined programming procedures for the Nucleus cochlear implant with the Contour electrode array. (wikigenes.org)
Recipients1
  • The Graeme Clark Scholarship is a unique award open to Nucleus® cochlear implant recipients around the world. (disabled-world.com)
Skins1
  • HEAROES custom made skins allow you to personalize your Cochlear Implant. (deafmetalusa.com)
Mice1
  • Histopathologic analysis of cochlear nuclei from host-encoded prion protein (PrP)-a mice (C57/BL6) inoculated with (A) fixed material from the suspected case, (B) fixed material from experimental goat bovine spongiform encephalopathy (BSE), (C) unfixed material from experimental sheep BSE, and (D) fixed material from experimental goat scrapie. (cdc.gov)
System8
  • The Cochlear™ Nucleus® implant system features a range of options we design to meet an individual's hearing needs and to provide them with high-quality hearing performance. (cochlear.com)
  • There are two main components of the Cochlear™ Nucleus® system: an internal implant and an external sound processor. (cochlear.com)
  • This paper presents a pathological voice identification system employing signal processing techniques through cochlear implant models. (researchgate.net)
  • Parameter selection and programming recommendations for the ACE and CIS speech-processing strategies in the Nucleus 24 cochlear implant system. (wikigenes.org)
  • The U.S. Food and Drug Administration recently approved a remote feature for follow-up programming sessions for the Nucleus Cochlear Implant System through a telemedicine platform. (nyrealestatelawblog.com)
  • To support the approval of the remote programming feature for the Nucleus Cochlear Implant System, the FDA evaluated data from a clinical study of 39 patients, aged 12 or older, each of whom had a cochlear implant for at least one year. (nyrealestatelawblog.com)
  • The FDA granted the approval of the Nucleus Cochlear Implant System to Cochlear Americas. (nyrealestatelawblog.com)
  • those lacking a functional vestibulo-cochlear system are immune to motion sickness. (msdmanuals.com)
Advances1
  • Cochlear expert, Roger Smith, talks about the improvements in hearing performance technology in the Cochlear™ Nucleus® 8 Sound Processor and what these advances will mean for patients choosing to get a #cochlearimplant or upgrading their device from a previous sound processor generation. (audiologyonline.com)
Device2
  • Monitor, manage and control your Nucleus 8 Sound Processor using the Nucleus Smart App from a compatible Apple or Android device. (cochlear.com)
  • all they need to do is connect the Nucleus 7 Sound Processor with the phone via Nucleus Smart app, once the device is connected with the phone it will work similar to the normal wireless headphones and now you can play the music on your phone, watch the video, and make phone calls seamlessly. (techinfobit.com)
Patterns2
  • The critical center frequencies of those filters are selected to mimic the human cochlear vibration patterns caused by audio signals. (researchgate.net)
  • 2016 ) Selective hair cell ablation and noise exposure lead to different patterns of changes in the cochlea and the cochlear nucleus. (neurotree.org)