• The telencephalon consists of the cortex, the subcortical fibers, and the basal nuclei. (medscape.com)
  • The basal nuclei (formerly referred to as the basal ganglia) comprise the caudate nucleus, putamen, globus pallidus, subthalamic nucleus, and substantia nigra. (medscape.com)
  • He applied the rapid Golgi method and in subsequent years combined his Golgi studies with electron microscopy and silver degeneration to perform in-depth analyses of the neuronal architecture and synaptic organization of the major components of ascending auditory systems in the brainstem, including the dorsal and ventral cochlear nuclei, medial nucleus of the trapezoid body, inferior colliculus, and medial geniculate body. (aro.org)
  • About 736,900 registered cochlear implant devices had, as of December 2019, been placed in patients worldwide. (medscape.com)
  • At UConn, Kent focused on characterizing the degenerative process in the dorsal cochlear nucleus at the cellular and molecular levels following overstimulation of the cochlea. (aro.org)
  • In determining cochlear implant candidacy, the HINT is performed without background noise, despite its name. (medscape.com)
  • As noted earlier, when used to assist in the determination of cochlear implant candidacy, the HINT is currently performed in quiet. (medscape.com)
  • These evidence-based guidelines for current clinical protocols in determining pediatric cochlear implant candidacy encourage a team-based approach focused on the whole child and the family system. (lww.com)
  • Although individual responses to cochlear implants are highly variable and depend on a number of physical and psychosocial factors, the trend toward improved performance with increasingly sophisticated electrodes and programming strategies has dramatically expanded indications for cochlear implantation. (medscape.com)
  • Because preoperative expectations affect the patient's postoperative satisfaction and use of the implant, all patients and families require attention and counseling from an implant team before they embark on the life-changing journey of cochlear implantation. (medscape.com)
  • The HINT measures word-recognition abilities to evaluate the patient's candidacy for cochlear implantation, in conjunction with conventional pure-tone and speech audiometry. (medscape.com)
  • This article summarizes the available evidence on pediatric cochlear implantation to provide current guidelines for clinical protocols and candidacy recommendations in the United States. (lww.com)
  • and the nucleus of the inferior colliculus is very significant. (co.ma)
  • When, on the other hand, the cochlear terminal nuclei are destroyed, fibres which have undergone atrophy may be followed to the inferior colliculi of both sides, but particularly to that of the opposite side (Baginski, Bumm, and Ferrier and Turner). (co.ma)
  • In the mustached bat's central nucleus of the inferior colliculus (ICC), many neurons display facilitatory or inhibitory responses when presented with two tones of distinctly different frequencies. (omeka.net)
  • The lateral lemniscus, to a large extent, comes from the nuclei of termination of the cochlear nerve of the opposite side. (co.ma)
  • Underneath this there is a gray nucleus, called the stratum griseum, which, in transverse section, exhibits a crescentic outline and rests in a cap-like manner upon the subjacent part of the eminence. (co.ma)
  • The amygdala is a collection of nuclei that lies within the uncus. (medscape.com)
  • However, recommendations for a cochlear implant evaluation also should maintain flexibility and consider a child's skill progression (i.e., month-for-month progress in speech, language, and auditory development) and quality of life with appropriately fit hearing aids. (lww.com)
  • Neurons in the avian cochlear nucleus angularis (NA) receive glutamatergic input from the auditory nerve, and GABAergic input from the superior olivary nucleus. (omeka.net)
  • And I ca as be book about the responses of repairs, takes not make to know cochlear similarly Then very. (algen.com)
  • From the hippocampus, signals are relayed via the fornix to the mammillary bodies and via the mammillothalamic tract to the anterior nucleus of the thalamus. (medscape.com)
  • in the superior part, the nucleus of the oculomotor nerve is situated. (co.ma)
  • [ 6 ] However, many candidates for cochlear implants do not have access to this procedure, due to failure to recognize appropriate candidates or because of inadequate healthcare resources. (medscape.com)
  • Clara uses bilateral cochlear implants and is a graduate of Child's Voice. (childsvoice.org)
  • Special thanks to the cochlear implant manufacturing company of Clara's bilateral cochlear implants, Cochlear Americas, as they helped coordinate Julie and Clara's appearance on the show. (childsvoice.org)
  • On the episode, Julie speaks briefly about how she made the decision to choose Cochlear for Clara's cochlear implants and Julie & Clara share some about their experiences with the company. (childsvoice.org)
  • Metabotropic glutamate and GABA receptors modulate cellular excitability and glutamatergic transmission in chicken cochlear nucleus angularis neurons. (omeka.net)
  • The superior part contains a large and striking nuclear mass, termed the nucleus ruber or the red tegmental nucleus (Fig. 521). (co.ma)
  • Later, Kent applied immunocytochemical methods for key neurotransmitters, including glutamate, GABA, and glycine, to define more fully the synaptic organization and connections of the cochlear nuclei and superior olivary complex. (aro.org)
  • For patients with hearing loss that is not mitigated by hearing aids, a cochlear implant may provide an opportunity for hearing. (medscape.com)
  • This document aims to provide professionals and consumers with current, evidence-based criteria for determining cochlear implant (CI) candidacy for the pediatric population. (lww.com)
  • This electrical signal is transmitted via electrodes to the spiral ganglion cells in the cochlear modiolus. (medscape.com)
  • The long-term goal of the lab is to identify therapeutic targets and novel treatments for hearing instability disorders, including Ménière's disease, autoimmune inner ear disease, sudden sensorineural hearing loss, and enlarged vestibular aqueduct syndrome. (nih.gov)
  • Included in hearing instability disorder presentations are patients who experience sudden changes in hearing (including, but not limited to, sudden sensorineural hearing loss) as well as patients who experience hearing fluctuation (including, but not limited to, autoimmune inner ear disease, Ménière's disease, and enlarged vestibular aqueduct syndrome). (nih.gov)
  • CT or MR imaging, or both, may be used to evaluate the vestibular aqueduct, endolymphatic duct, and sac and to rule out associated infectious or neoplastic disease. (ajnr.org)
  • or (3) both strains (arcuate nucleus, ventroposteromedial thalamus, SI and SII somatosensory cortex). (brainmaps.org)
  • Human temporal bone studies demonstrate endolymphatic hydrops, which is an expansion of the endolymph-containing scala media of the cochlea, in some patients with hearing instability disorders, which suggests an underlying issue related to cochlear ionic homeostasis, but the underlying mechanisms remain poorly characterized. (nih.gov)
  • 31 Following preliminary audiometric or auditory brain response testing, patients with retrocochlear localization should have a complete MR imaging study of the head to include the internal auditory canal, temporal bones, central nuclei in the brainstem, and the auditory pathways extending upward into the cerebral hemispheres. (ajnr.org)
  • Sonic hedgehog-associated medulloblastoma arising from the cochlear nuclei of the brainstem. (medscape.com)
  • In the lab, we use the mouse to study stria vascularis function in the cochlear lateral wall. (nih.gov)
  • Its axons arise from cells in the hypoglossal nucleus and pass forward between the white reticular formation and the gray reticular formation to emerge from the antero-lateral sulcus of the medulla. (bartleby.com)
  • The cranial part arises from the nucleus ambiguus, the continuation in the medulla oblongata of the lateral cell groups of the anterior column of the spinal cord from which the spinal part has origin. (bartleby.com)
  • The HINT measures word-recognition abilities to evaluate the patient's candidacy for cochlear implantation, in conjunction with conventional pure-tone and speech audiometry. (medscape.com)
  • The cranial part receives indirectly or directly terminals and collaterals from the opposite pyramidal tract and form the terminal sensory nuclei of the cranial nerves. (bartleby.com)
  • In general, most cochlear disorders such as otosclerosis are evaluated by high-resolution CT imaging. (ajnr.org)
  • Lesions of habenula were confirmed histologically and neurochemically by reduction of choline acetyltransferase in the interpeduncular nucleus . (brainmaps.org)
  • Conditions associated with cochlear damage result in altered tonotopic organization and ultimately tinnitus. (wikidoc.org)
  • As noted earlier, when used to assist in the determination of cochlear implant candidacy, the HINT is currently performed in quiet. (medscape.com)
  • Initial evaluation of symmetric or unilateral SNHL requires determination of whether the site of the lesion is cochlear 30 or retrocochlear. (ajnr.org)
  • The descending fibers in the spinal tract of the trigeminal terminating in the nucleus of the tract probably establish relations through connecting neurons with motor nuclei in the anterior column of the spinal cord and with motor nuclei of the medulla. (bartleby.com)
  • This electrical signal is transmitted via electrodes to the spiral ganglion cells in the cochlear modiolus. (medscape.com)
  • Higher baseline PTA, single fraction treatment, higher tumor radiation dose, and higher maximum cochlear dose resulted in a faster deterioration in PTA. (bvsalud.org)
  • CONCLUSIONS: Decline of hearing at one year in VS patients after SRS is directly related to maximum cochlear dose, single versus 3-fraction treatment, total tumor radiation dose, and baseline hearing level. (bvsalud.org)
  • The hypoglossal nucleus receives either directly or indirectly numerous collaterals and terminals from the opposite pyramidal tract (cortico-bulbar or cerebrobulbar fibers) which convey voluntary motor impulses from the cerebral cortex. (bartleby.com)
  • The nucleus of origin of the spinal part undoubtedly receives either directly or indirectly terminals and collaterals controlling voluntary movements from the pyramidal tracts. (bartleby.com)
  • It is probable that terminals and collaterals reach the nucleus either directly or indirectly from the rubrospinal and the vestibulospinal tracts. (bartleby.com)
  • At metamorphic climax and in newly metamorphosed frogs, positive perikarya were found in the striatum and in the interpeduncular nucleus . (brainmaps.org)
  • For patients with hearing loss that is not mitigated by hearing aids, a cochlear implant may provide an opportunity for hearing. (medscape.com)
  • About 736,900 registered cochlear implant devices had, as of December 2019, been placed in patients worldwide. (medscape.com)
  • Because preoperative expectations affect the patient's postoperative satisfaction and use of the implant, all patients and families require attention and counseling from an implant team before they embark on the life-changing journey of cochlear implantation. (medscape.com)
  • The goal of this study is to determine the effect of tumor volume, patient demographics, pretreatment hearing status, cochlear radiation dose, total tumor radiation dose, fractionation, and other radiotherapy parameters on hearing deterioration. (bvsalud.org)
  • Acutely, morphine produced a biphasic effect on extracellular acetylcholine levels in the interpeduncular nucleus such that low and high doses of morphine (i.e., 5 and 20mg/kg i.p.) significantly increased and decreased acetylcholine levels, respectively. (brainmaps.org)