نتایج جستجو برای: auditory brainstem response abr

تعداد نتایج: 1048305  

Journal: :Bio-protocol 2016
Omar Akil A E Oursler Kevin Fan Lawrence R Lustig

The auditory brainstem response (ABR) test provides information about the inner ear (cochlea) and the central pathways for hearing. The ABR reflects the electrical responses of both the cochlear ganglion neurons and the nuclei of the central auditory pathway to sound stimulation (Zhou et al., 2006; Burkard et al., 2007). The ABR contains 5 identifiable wave forms, labeled as I-V. Wave I represe...

Objectives: Automated Auditory Brainstem Responses (ABR) peak detection is a novel technique to facilitate the measurement of neural synchrony along the auditory pathway through the brainstem. Analyzing the location of the peaks in these signals and the time interval between them may be utilized either for analyzing the hearing process or detecting peripheral and central lesions in the human he...

2015
Sarah E. Rotschafer Sonya Marshak Karina S. Cramer

Fragile X Syndrome (FXS), a neurodevelopmental disorder, is the most prevalent single-gene cause of autism spectrum disorder. Autism has been associated with impaired auditory processing, abnormalities in the auditory brainstem response (ABR), and reduced cell number and size in the auditory brainstem nuclei. FXS is characterized by elevated cortical responses to sound stimuli, with some eviden...

Journal: :Laryngo-rhino-otologie 2022

Introduction The medial olivocochlear reflex (MOCR) is part of the binaural processing strategies and influences efferent auditory pathway. Activation by contralateral noises has an inhibiting impact on cochlear amplifier. Otoacustics emissions are established method to visualize reflex, however, this technique yielding some methodical disadvantages. Visualizing MOCR via brainstem response (ABR...

Journal: :acta medica iranica 0
mohammad hossein baradaranfar department of otolaryngology, head and neck surgery, shahid sadoughi university of medical sciences, yazd, iran. saeid atighechi department of otolaryngology, head and neck surgery, shahid sadoughi university of medical sciences, yazd, iran. mohammad hossein dadgarnia department of otolaryngology, head and neck surgery, shahid sadoughi university of medical sciences, yazd, iran. rozita jafari department of otolaryngology, head and neck surgery, shahid sadoughi university of medical sciences, yazd, iran ghasem karimi department of otolaryngology, head and neck surgery, shahid sadoughi university of medical sciences, yazd, iran. abolfazl mollasadeghi department of audiology, shahid sadoughi university of medical sciences, yazd, iran.

hyperbilirubinemia at neonatal period is one of the major deteriorating factors of the auditory system. if left untreated, it may cause certain cerebral damage. this study aims to evaluate the impact of hyperbilirubinemia on the hearing of neonate. this study was conducted on 35 newborn babies with jaundice (bilirubin more than 20 mg/dl). auditory brainstem response (abr) and transient evoked o...

امیرحسین سلطانی, , حسین باقری, , رویا ابوالفضلی, ,

Background: Auditory brainstem response (A.B.R) is one of the most important electrophysiological tests in evaluating of auditory system, especially for diagnosing of auditory nerve and brainstem disorders. It is a non-invasive test and has reliability and validity characteristic. There is no contra-indication for this test. One of the most important of stimulation parameters of A.B.R is click ...

Journal: :auditory and vestibular research 0
sahar avizheh department of audiology, school of rehabilitation, tehran university of medical sciences, tehran, iran mehdi akbari department of audiology, school of rehabilitation sciences, iran university of medical sciences, tehran, iran jamileh fatahi department of audiology, school of rehabilitation, tehran university of medical sciences, tehran, iran akram pourbakht department of audiology, school of rehabilitation sciences, iran university of medical sciences, tehran, iran shohreh jalaie biostatistics, school of rehabilitation, tehran university of medical sciences, tehran, iran kianoush sheikholeslami department of surgery, section of neuro-oncology, robert wood johnson university hospital, cancer institute of new jersey, rutgers university, new brunswick, new jersey, usa

background and aim: the sexual hormones alter during menstrual cycle and pregnancy. despite the physiological benefits of these changes, their adverse effects on hearing system such as hearing loss and vertigo have been reported. therefore, in this study, the auditory brainstem responses (abr) were investigated during physiological hormonal variations in the menstrual cycle as well as pregnancy...

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