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Assessing Self-Efficacy in Families of Children with Hearing Concerns through an Audiological Early Intervention Training
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In: Appalachian Student Research Forum & Jay S. Boland Undergraduate Research Symposium (2022)
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Clinical Applications of Otoacoustic Emissions: How Much Do We Really Know After 40 Years?
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In: ETSU Faculty Works (2017)
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Diabetes Mellitus and the Effects on Auditory Processing
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In: ETSU Faculty Works (2017)
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Musical Training Influences Auditory Temporal Processing
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In: ETSU Faculty Works (2016)
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Preadolescent Musical Training Influences Spatial Listening and Temporal Processing
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In: ETSU Faculty Works (2016)
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New Clinical Applications of Otoacoustic Emissions
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In: ETSU Faculty Works (2016)
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Frequency Modulated Distortion-product Otoacoustic Emission (FMDPOAE) Tests Aimed for Improving Diagnostic Performance
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In: ETSU Faculty Works (2016)
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Implementing Frequency Modulation of Primary Tones Decreases the Depth of Distortion Product Otoacoustic Emission Microstructures
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In: ETSU Faculty Works (2015)
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Protocols of DPOAE Measurements Aimed at Reducing Test Time
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In: ETSU Faculty Works (2015)
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| 10 |
Investigation of Auditory Processing Deficits in Patients with Diabetes Mellitus
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In: ETSU Faculty Works (2015)
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Investigation of Auditory Processing Deficits in Patients With Type II Diabetes Mellitus (DM)
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In: ETSU Faculty Works (2014)
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Monitoring the Recovery from a Temporary Threshold Shift Using an Adaptive Procedure and Measurements of Spontaneous and Distortion Product Otoacoustic Emissions
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In: ETSU Faculty Works (2014)
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Preliminary Results of Multiple DPOAE Measurements Performed using the Sentiero System
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In: ETSU Faculty Works (2014)
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Hearing Loss in the Dental Office: The Effects of High Speed Dental Drills on Dentists' Hearing
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In: ETSU Faculty Works (2013)
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| 15 |
Tinnitus and High Frequency Hearing: a Study of 175 Cases
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In: ETSU Faculty Works (2013)
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Acoustic Foundations of Signal Enhancement and Room Acoustics
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In: ETSU Faculty Works (2013)
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| 17 |
The Effect of Tinnitus on Gap Detection
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In: ETSU Faculty Works (2012)
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| 18 |
Tinnitus and Normal Hearing: A Study of 175 Cases
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In: ETSU Faculty Works (2012)
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Abstract:
Introduction: Due to our actual knowledge tinnitus in most cases results from abnormal neural activity elicited at any level of auditory pathways and is interpreted in auditory cortex as a perception of sound, which is not accompanied by any mechanic activity within the cochlea. Tinnitus patients usually present various degrees of cochlear dysfunction, which can be manifested as sensorineural hearing loss, loudness intolerance, a distinct decrease of the DPOAE amplitude, recruitment or abnormal efferent reduction of OAEs through contralateral acoustic stimulation. But 8-15% of tinnitus patients present normal audiometric profiles. In these patients the mechanism of tinnitus generation remains unclear. Aim of the study: The aim of the study was to assess DPOAE levels and EHF thresholds in tinnitus subjects with normal hearing and compare the data with those from a normally hearing control group without tinnitus, in order to evaluate if any detectable high frequency cochlear dysfunction might be responsible for the tinnitus generation. Material and methods: 175 tinnitus patients (group 1 – tinnitus in left ear - 47 patients, group 2 – tinnitus in right ear – 23 patients, group 3 – bilateral tinnitus – 105 patients) and 60 controls (group 4). Inclusion criteria: age up to 40, normal otoscopic examination, type A tympanometry, normal hearing (up to 20 dB) in PTA (250-8000 Hz), no loudness intolerance, constant tinnitus for at least 6 months of stable localization (site of tinnitus has not changed from the previous localization). In each patient high frequency audiometry (at 10, 12.5, 14 and 16 kHz) and DPOAE registration (L1=65 dB SPL, L2=55 dB SPL, f2/f1= 1.2, S/N≥3 dB) were performed. Then statistical analysis was applied for comparison between left and right ears in the same group and also across different group of patients. Results: statistically significant differences were observed mainly in unilateral tinnitus group. These differences were more evident in audiometric data than DPOAE data. Leftsided tinnitus was twice more frequent than right-sided tinnitus. Few statistically significant differences were found between bilateral tinnitus group and controls. Conclusions: Unilateral tinnitus in normally hearing individuals may be caused by the damage of the basal region of the cochlea. There is greater incidence of high frequency hearing loss (above 8 kHz) in the ear with tinnitus in comparison to control group. In unilateral tinnitus group, the organ of Corti at the site of tinnitus is more seriously damaged than in the opposite ear. The asymmetry of cochlear damage may be crucial for tinnitus lateralization. Bilateral tinnitus, more frequently than unilateral one, can result from other pathologies, not connected with the organ of Corti.
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Keyword:
Audiology and Speech-Language Pathology; case study; normal hearing; Speech Pathology and Audiology; tinnitus
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URL: https://dc.etsu.edu/etsu-works/2208
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| 19 |
The Influence of High Frequency Hearing Loss on the Distortion Product Otoacoustic Emissions in Tinnitus Subjects with Normal Hearing Thresold (0,25-8kHz)
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In: ETSU Faculty Works (2012)
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Otoacoustic Emissions: The Influence of the Middle-ear Function, SFOAEs, and OAEs as a Diagnostic Predictor for Cochlear Impairment
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In: ETSU Faculty Works (2012)
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