Development of 90th Percentile Norms for Ipsilateral Acoustic Reflex Thresholds: A Feasibility Study
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بررسی ارتباط بین حساسیت صوتی سیستم دهلیزی و توانایی تشدید رفلکس عضلانی برانگیخته صوتی گوش میانی در بزرگسالان دارای شنوایی طبیعی
Introduction & Objective: The vestibular system is sound sensitive and the sensitivity is related to the saccule. The vestibular afferents are projected to the middle ear muscles (such as the stapedius). The goal of this research was studying the relationship between the vestibular hearing and the sound-evoked muscle reflex of the middle ear to 500 HZ. Materials & Methods: This study was a cr...
متن کاملEvaluation of Acoustic Reflex and Reflex Decay Tests in Geriatric Group.
Objective To determine average acoustic reflex thresholds in geriatric groups by assessing ipsilateral and contralateral acoustic reflex and reflex decay tests. Methods A total of 25 elders between ages 65-84 years (74.3±5.4) and 25 individuals between ages 18-45 years (30.4±4.2) were recruited for the study. After ear, nose, and throat examination, ipsilateral and contralateral acoustic refl...
متن کاملHigh frequency immittance for neonates: a normative study.
CONCLUSION High frequency immittance measurements demonstrate promise in clarifying middle ear status for neonates but age- and gender-specific norms should be consulted. OBJECTIVE To describe high frequency immittance measurements using a 1000 Hz probe tone for a sample of 278 neonatal ears (0-4 weeks of age) in order to compile normative tympanometric and acoustic reflex criteria. SUBJECT...
متن کاملAcoustic reflex threshold tenth percentiles and functional hearing impairment.
This study addressed the issue of whether functional impairments can be identified or confirmed using tonal acoustic reflex thresholds (ARTs). Tonal ARTs from 74 ears with functional impairments were compared to 10th percentiles of the ARTs for normal and cochlear-impaired ears at 500 to 2000 Hz (Gelfand, Schwander, and Silman, 1990). Only one ear (5.3%) was correctly identified among the 19 ea...
متن کاملAcoustic reflex on newborns: the influence of the 226 and 1,000 Hz probes.
PURPOSE To analyze the occurrence of acoustic reflex and its threshold on newborns using the 226 and 1,000 Hz probes. METHODS Thirty-six newborns with "PASS" results in newborn hearing screening and tympanogram with one or two peaks for both probe tones were included. Group I comprised 20 full-term newborns without risk indicator for hearing loss, and Group II comprised 16 newborns with at le...
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تاریخ انتشار 2017