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Sendesen E, Kılıç S, Erbil N, Aydın Ö, Turkyilmaz D. An Exploratory Study of the Effect of Tinnitus on Listening Effort Using EEG and Pupillometry. Otolaryngol Head Neck Surg 2023; 169:1259-1267. [PMID: 37172313 DOI: 10.1002/ohn.367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 03/24/2023] [Accepted: 04/23/2023] [Indexed: 05/14/2023]
Abstract
OBJECTIVE Previous behavioral studies on listening effort in tinnitus patients did not consider extended high-frequency hearing thresholds and had conflicting results. This inconsistency may be related that listening effort is not evaluated by the central nervous system (CNS) and autonomic nervous system (ANS), which are directly related to tinnitus pathophysiology. This study matches hearing thresholds at all frequencies, including the extended high-frequency and reduces hearing loss to objectively evaluate listening effort over the CNS and ANS simultaneously in tinnitus patients. STUDY DESIGN Case-control study. SETTING University hospital. METHODS Sixteen chronic tinnitus patients and 23 matched healthy controls having normal pure-tone averages with symmetrical hearing thresholds were included. Subjects were evaluated with 0.125 to 20 kHz pure-tone audiometry, Montreal Cognitive Assessment Test (MoCA), Tinnitus Handicap Inventory (THI), Visual Analog Scale (VAS), electroencephalography (EEG), and pupillometry. RESULTS Pupil dilation and EEG alpha band in the "coding" phase of the sentence presented in tinnitus patients was less than in the control group (p < .05). VAS score was higher in the tinnitus group (p < .01). Also, there was no statistically significant relationship between EEG and pupillometry components and THI or MoCA (p > .05). CONCLUSION This study suggests that tinnitus patients may need to make an extra effort to listen. Also, pupillometry may not be sufficiently reliable to assess listening effort in ANS-related pathologies. Considering the possible listening difficulties in tinnitus patients, reducing the listening difficulties, especially in noisy environments, can be added to the goals of tinnitus therapy protocols.
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Affiliation(s)
- Eser Sendesen
- Department of Audiology, Hacettepe University, Ankara, Turkey
| | - Samet Kılıç
- Department of Audiology, Hacettepe University, Ankara, Turkey
| | - Nurhan Erbil
- Department of Biophysics, Hacettepe University, Ankara, Turkey
| | - Özgür Aydın
- Department of Biophysics, Hacettepe University, Ankara, Turkey
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Shepherd B, Spankovich C, Bishop CE, Su D, Valle K, Schweinfurth J. Central Auditory Processing and the Relationship to Perceived Hearing Difficulty: The Jackson Heart Study. Otol Neurotol 2022; 43:295-303. [PMID: 35147604 DOI: 10.1097/mao.0000000000003359] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE There are limited population-based studies of central auditory processing (CAP). We aimed to determine the relationship between CAP measures and perceived hearing difficulty (PHD) despite normal pure-tone audiometry in an African-American population. STUDY DESIGN Cross-sectional. SETTING Jackson Heart Study (JHS), Jackson, MS. SUBJECTS Participants of an African-American cohort (26% men; age 54.2, standard deviations [SD] 9.2) who self-reported hearing difficulty despite normal hearing sensitivity defined as audiometric pure-tone average (PTA-4: average of 500, 1000, 2000, and 4000 Hz) less than or equal to 25 dBHL (n = 911) or across all tested frequencies (PT-AF: 250-8000 Hz) less than or equal to 25 dBHL (n = 516). METHODS The Quick Speech-in-Noise (QuickSIN) and Dichotic Digits, Double Pairs (DDT2) tests were used to assess CAP. Logistic regression was used to examine the association between measures of CAP and PHD; adjusted for age, sex, education, and pure tone audiogram. RESULTS PHD was present in 251 (28%) and 137 (27%) of participants using the PTA-4 and PT-AF models, respectively. Fully adjusted regression models revealed that each one-point increase in QuickSIN increased the odds of reporting PHD by 13.7% (odds ratio [OR] 1.14, p < 0.01, 95% CI: 1.08, 1.19) using the PTA-4 model and 15.0% (OR 1.15, p < 0.01, 95% CI: 1.08, 1.23) using the PT-AF model. For DDT2 testing, each 1% reduction in score, increased the odds of reporting PHD by 7.7% (OR 0.92, p < 0.01, 95% CI: 0.88, 0.97) in a fully adjusted PTA-4 model and 6.6% (OR 0.93, p = 0.04, 95% CI: 0.87, 0.99) in the PT-AF model. CONCLUSION CAP deficits were associated with increased odds of PHD in normal hearing participants within the JHS cohort.
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Affiliation(s)
| | | | | | - Dan Su
- Department of Data Science
| | - Karen Valle
- The Jackson Heart Study, University of Mississippi Medical Center, Jackson, Mississippi
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Husstedt H, Kahl J, Fitschen C, Griepentrog S, Frenz M, Jürgens T, Tchorz J. Design and verification of a measurement setup for wireless remote microphone systems (WRMSs). Int J Audiol 2021; 61:34-45. [PMID: 34028326 DOI: 10.1080/14992027.2021.1915505] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVE This work presents the design and verification of a simplified measurement setup for wireless remote microphone systems (WRMSs), which has been incorporated into guidelines of the European Union of Hearing Aid Acousticians (EUHA). DESIGN Three studies were conducted. First, speech intelligibility scores within the simplified setup were compared to that in an actual classroom. Second, different WRMSs were compared in the simplified setup, and third, normative data for normal-hearing people with and without WRMS were collected. STUDY SAMPLE The first two studies include 40 older hearing impaired and the third study 20 young normal-hearing adults. RESULTS Speech intelligibility with WRMS was not different across actual classroom and simplified setup. An analog omnidirectional WRMS showed poorer speech intelligibility and poorer quality ratings than digital WMRSs. The usage of a WRMS in the simplified setup resulted in significantly higher speech intelligibility across all tested background noise levels. CONCLUSIONS Despite being a simplified measurement setup, it realistically emulates a situation where people are listening to speech in noise from a distance, such as in a classroom or meeting room. Hence, with standard audiological equipment, the individual benefit of WRMSs can be measured and experienced by the user in clinical practice.
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Affiliation(s)
| | - Julia Kahl
- Academy of Hearing Acoustics, Lübeck, Germany
| | | | | | | | - Tim Jürgens
- Technische Hochschule Lübeck, Lübeck, Germany
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Picinini TDA, Sperança S, Pereira LD. Acoustically Controlled Binaural Auditory Training with Vocal Duets: Assessment and Effectiveness. Clinics (Sao Paulo) 2021; 76:e2085. [PMID: 33787671 PMCID: PMC7955147 DOI: 10.6061/clinics/2021/e2085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 01/20/2021] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVES We aimed to evaluate the effectiveness of a binaural auditory training program with vocal duets by comparing skills through outcomes from behavioral and electrophysiological assessment instruments at three moments: before the intervention, moment one (M1); immediately after training, moment two (M2); and 3 months after, moment three (M3). METHODS This interventional, longitudinal, prospective, and uncontrolled study was approved by our Research Ethics Committee. Binaural auditory training with vocal duets (ATVD) was applied in 10 adults with normal audiometric thresholds and auditory processing disorders. ATVD used four different vocals of a public domain song sung in a cappella as stimuli. Participants were asked to register any perceived difference in frequency for each syllable of the song during 30-minute sessions twice a week. The number of sessions required ranged from 12 (6 hours) to 20 (10 hours). RESULTS Regarding behavioral tests, the dichotic consonant-vowel test showed significant evidence of an improved advantage in the left ear (LE) in the non-forced condition and a significant reduction in the number of errors at M2 and M3 in the forced left condition. The speech-in-noise test and frequency pattern test showed a significant reduction in impaired results at M2 and M3. Electrophysiological results showed a significant increase in the LE amplitude in the P3 long-latency auditory evoked potentials test, as well as a decrease in the auditory brainstem response test (III-V and I-V inter-peak latencies in the right ear and wave I and I-III inter-peak latencies in LE). CONCLUSION The effectiveness of ATVD was evidenced, and the results were maintained after 3 months.
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Affiliation(s)
- Taís de Azevedo Picinini
- Programa de Pos-Graduacao em Disturbios da Comunicacao Humana, Universidade Federal de Sao Paulo, Sao Paulo, SP, BR
- *Corresponding author. E-mail:
| | - Simone Sperança
- Programa de Pos-Graduacao em Disturbios da Comunicacao Humana, Universidade Federal de Sao Paulo, Sao Paulo, SP, BR
| | - Liliane Desgualdo Pereira
- Departamento de Fonoaudiologia, Escola Paulista de Medicina, Universidade Federal de Sao Paulo, Sao Paulo, SP, BR
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Kartal A, Konukseven O. Age-related altering temporal processing and binaural interaction functions in normal hearing individuals: Observational and cross-sectional study. Auris Nasus Larynx 2020; 48:615-621. [PMID: 33277137 DOI: 10.1016/j.anl.2020.11.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 11/18/2020] [Accepted: 11/24/2020] [Indexed: 11/28/2022]
Abstract
OBJECTIVE This study aimed to investigate the temporal processing and binaural interaction functions of central auditory processing tests according to the anatomical localizations of young and elderly individuals. It also sought to evaluate the relationships between the same individuals' central auditory processing tests. METHODS This observational and cross-sectional study included individuals with normal hearing between 18 and 30 and 60-75 years of age, who were referred to as the young group and the elderly group, respectively. The evaluation of the central auditory processing tests was completed using the frequency pattern test, duration pattern test, masking level difference test, and random gap detection test. Furthermore, speech discrimination and speech in noise scores were analyzed for both groups. RESULTS Statistically significant differences were identified between the groups' scores for the speech in noise test, masking level difference test, random gap detection test, frequency pattern test, and duration pattern test (p < 0.05). A statistically significant relationship was observed between the age and the results of the central auditory processing tests (p < 0.05). CONCLUSION When compared to younger individuals, elderly individuals presented with declined temporal sequences, temporal resolutions, and binaural interaction skills.
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Affiliation(s)
- Ahsen Kartal
- University of Health Sciences, Faculty of Health Sciences, Department of Audiology, Istanbul, Turkey.
| | - Ozlem Konukseven
- Istanbul Aydin University, Faculty of Health Sciences, Department of Audiology, Istanbul, Turkey
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Tepe V, Papesh M, Russell S, Lewis MS, Pryor N, Guillory L. Acquired Central Auditory Processing Disorder in Service Members and Veterans. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2020; 63:834-857. [PMID: 32163310 DOI: 10.1044/2019_jslhr-19-00293] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Purpose A growing body of evidence suggests that military service members and military veterans are at risk for deficits in central auditory processing. Risk factors include exposure to blast, neurotrauma, hazardous noise, and ototoxicants. We overview these risk factors and comorbidities, address implications for clinical assessment and care of central auditory processing deficits in service members and veterans, and specify knowledge gaps that warrant research. Method We reviewed the literature to identify studies of risk factors, assessment, and care of central auditory processing deficits in service members and veterans. We also assessed the current state of the science for knowledge gaps that warrant additional study. This literature review describes key findings relating to military risk factors and clinical considerations for the assessment and care of those exposed. Conclusions Central auditory processing deficits are associated with exposure to known military risk factors. Research is needed to characterize mechanisms, sources of variance, and differential diagnosis in this population. Existing best practices do not explicitly consider confounds faced by military personnel. Assessment and rehabilitation strategies that account for these challenges are needed. Finally, investment is critical to ensure that Veterans Affairs and Department of Defense clinical staff are informed, trained, and equipped to implement effective patient care.
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Affiliation(s)
- Victoria Tepe
- Department of Defense Hearing Center of Excellence, JBSA Lackland, TX
- The Geneva Foundation, Tacoma, WA
| | - Melissa Papesh
- VA RR&D National Center for Rehabilitative Auditory Research, VA Portland Health Care System, OR
- Department of Otolaryngology-Head & Neck Surgery, Oregon Health & Science University, Portland
| | - Shoshannah Russell
- Walter Reed National Military Medical Center, Bethesda, MD
- Henry Jackson Foundation, Bethesda, MD
| | - M Samantha Lewis
- VA RR&D National Center for Rehabilitative Auditory Research, VA Portland Health Care System, OR
- Department of Otolaryngology-Head & Neck Surgery, Oregon Health & Science University, Portland
- School of Audiology, Pacific University, Hillsboro, OR
| | - Nina Pryor
- Department of Defense Hearing Center of Excellence, JBSA Lackland, TX
- Air Force Research Laboratory, Wright-Patterson Air Force Base, OH
| | - Lisa Guillory
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO
- Department of Otolaryngology-Head and Neck Surgery, School of Medicine, University of Missouri, Columbia
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Kamerer AM, AuBuchon A, Fultz SE, Kopun JG, Neely ST, Rasetshwane DM. The Role of Cognition in Common Measures of Peripheral Synaptopathy and Hidden Hearing Loss. Am J Audiol 2019; 28:843-856. [PMID: 31647880 DOI: 10.1044/2019_aja-19-0063] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Purpose The aim of this study was to quantify the portion of variance in several measures suggested to be indicative of peripheral noise-induced cochlear synaptopathy and hidden hearing disorder that can be attributed to individual cognitive capacity. Method Regression and relative importance analysis was used to model several behavioral and physiological measures of hearing in 32 adults ranging in age from 20 to 74 years. Predictors for the model were hearing sensitivity and performance on a number of cognitive tasks. Results There was a significant influence of cognitive capacity on several measures of cochlear synaptopathy and hidden hearing disorder. These measures include frequency modulation detection threshold, time-compressed word recognition in quiet and reverberation, and the strength of the frequency-following response of the speech-evoked auditory brainstem response. Conclusions Measures of hearing that involve temporal processing are significantly influenced by cognitive abilities, specifically, short-term and working memory capacity, executive function, and attention. Research using measures of temporal processing to diagnose peripheral disorders, such as noise-induced synaptopathy, need to consider cognitive influence even in a young, healthy population.
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Affiliation(s)
- Aryn M. Kamerer
- Center for Hearing Research, Boys Town National Research Hospital, Omaha, NE
| | - Angela AuBuchon
- Center for Hearing Research, Boys Town National Research Hospital, Omaha, NE
| | - Sara E. Fultz
- Center for Hearing Research, Boys Town National Research Hospital, Omaha, NE
| | - Judy G. Kopun
- Center for Hearing Research, Boys Town National Research Hospital, Omaha, NE
| | - Stephen T. Neely
- Center for Hearing Research, Boys Town National Research Hospital, Omaha, NE
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Motlagh Zadeh L, Silbert NH, Sternasty K, Swanepoel DW, Hunter LL, Moore DR. Extended high-frequency hearing enhances speech perception in noise. Proc Natl Acad Sci U S A 2019; 116:23753-23759. [PMID: 31685611 PMCID: PMC6876232 DOI: 10.1073/pnas.1903315116] [Citation(s) in RCA: 102] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Young healthy adults can hear tones up to at least 20 kHz. However, clinical audiometry, by which hearing loss is diagnosed, is limited at high frequencies to 8 kHz. Evidence suggests there is salient information at extended high frequencies (EHFs; 8 to 20 kHz) that may influence speech intelligibility, but whether that information is used in challenging listening conditions remains unknown. Difficulty understanding speech in noisy environments is the most common concern people have about their hearing and usually the first sign of age-related hearing loss. Digits-in-noise (DIN), a widely used test of speech-in-noise perception, can be sensitized for detection of high-frequency hearing loss by low-pass filtering the broadband masking noise. Here, we used standard and EHF audiometry, self-report, and successively higher cutoff frequency filters (2 to 8 kHz) in a DIN test to investigate contributions of higher-frequency hearing to speech-in-noise perception. Three surprising results were found. First, 74 of 116 "normally hearing," mostly younger adults had some hearing loss at frequencies above 8 kHz. Early EHF hearing loss may thus be an easily measured, preventive warning to protect hearing. Second, EHF hearing loss correlated with self-reported difficulty hearing in noise. Finally, even with the broadest filtered noise (≤8 kHz), DIN hearing thresholds were significantly better (P < 0.0001) than those using broadband noise. Sound energy above 8 kHz thus contributes to speech perception in noise. People with "normal hearing" frequently report difficulty hearing in challenging environments. Our results suggest that one contribution to this difficulty is EHF hearing loss.
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Affiliation(s)
- Lina Motlagh Zadeh
- Communication Sciences Research Center, Cincinnati Children's Hospital, Cincinnati, OH 45229;
- Department of Communication Sciences & Disorders, University of Cincinnati, Cincinnati, OH 45267
| | - Noah H Silbert
- Department of Communication Sciences & Disorders, University of Cincinnati, Cincinnati, OH 45267
| | - Katherine Sternasty
- Communication Sciences Research Center, Cincinnati Children's Hospital, Cincinnati, OH 45229
| | - De Wet Swanepoel
- Department of Speech-Language Pathology and Audiology, University of Pretoria, 0002 Pretoria, Republic of South Africa
| | - Lisa L Hunter
- Communication Sciences Research Center, Cincinnati Children's Hospital, Cincinnati, OH 45229
- Department of Communication Sciences & Disorders, University of Cincinnati, Cincinnati, OH 45267
- Department of Otolaryngology, College of Medicine, University of Cincinnati, Cincinnati, OH 45267
| | - David R Moore
- Communication Sciences Research Center, Cincinnati Children's Hospital, Cincinnati, OH 45229
- Department of Otolaryngology, College of Medicine, University of Cincinnati, Cincinnati, OH 45267
- Manchester Centre for Audiology and Deafness, University of Manchester, M13 9PL Manchester, United Kingdom
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Bhatt IS, Wang J. Evaluation of dichotic listening performance in normal-hearing, noise-exposed young females. Hear Res 2019; 380:10-21. [PMID: 31167151 DOI: 10.1016/j.heares.2019.05.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 05/07/2019] [Accepted: 05/26/2019] [Indexed: 10/26/2022]
Abstract
Recent animal studies have shown that intense noise exposures that produce robust temporary threshold shift (TTS) can inflict irreversible damage to the synaptic connections between the inner hair cells and auditory neurons. It was hypothesized that noise-induced cochlear synaptopathy may cause impaired acoustic encoding in the central auditory nervous system leading to impaired speech perception, particularly in challenging listening situations. The aim of the study was to evaluate the influence of high noise exposure background (NEB) on dichotic listening performance, speech-in-noise performance, and auditory brainstem responses (ABR) measured in young females with normal audiograms. The central hypothesis was that individuals with high NEB would exhibit reduced ABR wave I amplitude and subsequently would exhibit poorer performance on speech-in-noise and dichotic listening. In a sample of 32 females (14 with high NEB and 18 with low NEB) aged 18-35 years, the study compared behavioral hearing thresholds (from 250 to 16000 Hz), distortion-product otoacoustic emissions (DPOAEs, 1000-16000 Hz), click-evoked ABR, QuickSIN signal-to-noise ratio (SNR) loss and dichotic digit test (DDT). The results showed no clear association between NEB, and hearing thresholds, DPOAEs, click-evoked ABR measures, and QuickSIN SNR loss. Individuals with high NEB revealed significantly lower DDT scores and evidence of reduced right ear advantage compared to individuals with low NEB. The poorer performance in DDT and the ear asymmetry in DDT scores with normal ABR findings suggest that high NEB might alter the hemispheric organization of speech-sound processing and cognitive control. The clinical significance of the present findings is discussed.
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Affiliation(s)
- Ishan Sunilkumar Bhatt
- Department of Communication Sciences & Disorders, Northern Arizona University, Flagstaff, AZ, 86011, USA.
| | - Jin Wang
- Department of Mathematics & Statistics, Northern Arizona University, Flagstaff, AZ, 86011, USA
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Heine C, Slone M. Case studies of adults with central auditory processing disorder: Shifting the spotlight! SAGE Open Med Case Rep 2019; 7:2050313X18823461. [PMID: 30719311 PMCID: PMC6349983 DOI: 10.1177/2050313x18823461] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Accepted: 12/13/2018] [Indexed: 11/16/2022] Open
Abstract
Vast literature exists detailing the identification and management of central auditory processing disorder in children: however, less information is available regarding central auditory processing disorder in the adult population. This study aimed to document the diagnostic and management procedure for adults presenting at a multidisciplinary clinic due to concerns regarding their listening and central auditory processing skills. This retrospective study was a case file audit of two adults (a male, aged 37 years and a female, aged 44 years) who presented at a multidisciplinary (audiology and speech pathology) clinic for a hearing and central auditory processing evaluation. Both participants completed a case history questionnaire and were then interviewed with results being documented in their file. Participants were evaluated by a dually qualified audiologist-speech pathologist on a battery of peripheral hearing tests (including pure-tone threshold audiometry, immittance measures and speech tests), central auditory processing assessments (including monaural low redundancy, dichotic listening and temporal processing tests) and evaluation of short-term auditory memory skills. Participants were self-referred, never having been assessed previously for central auditory processing disorder, yet had perceived heightened difficulty with processing information; having conversations (particularly in noisy work or social environments) and remembering information, resulting in a range of psychosocial responses. Following diagnosis of central auditory processing disorder, participants undertook an individualized short-term aural rehabilitation program as dictated by their needs and preferences. Post-program participants perceived better ability to listen and process information even in adverse listening conditions. They reported that their newly learned skills improved their work abilities and social participation leading to positive outcomes. Medical and other allied health professionals should consider the possibility of presentation of central auditory processing disorder in adulthood and make appropriate referrals for central auditory processing testing to facilitate diagnosis and appropriate intervention. Aural rehabilitation should be considered for adults newly diagnosed with central auditory processing disorder.
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Affiliation(s)
- Chyrisse Heine
- Department of Community and Clinical Allied Health, College of Science, Health and Engineering, La Trobe University, Melbourne, VIC, Australia
| | - Michelle Slone
- The School of Psychological Sciences, Faculty of Social Sciences, Tel Aviv University, Tel Aviv, Israel
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Moschopoulos NP, Nimatoudis I, Kaprinis S, Iliadou V. Behavioral assessment of auditory processing deficits in schizophrenia: Literature review and suggestions for future research. Scand J Psychol 2018; 60:116-127. [DOI: 10.1111/sjop.12514] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 11/12/2018] [Indexed: 12/14/2022]
Affiliation(s)
- Nikolaos P. Moschopoulos
- Clinical Psychoacoustics Lab; 3rd Psychiatry Department; Aristotle University of Thessaloniki; Thessaloniki Greece
| | - Ioannis Nimatoudis
- Clinical Psychoacoustics Lab; 3rd Psychiatry Department; Aristotle University of Thessaloniki; Thessaloniki Greece
| | - Stergios Kaprinis
- 2nd Psychiatry Department; Aristotle University of Thessaloniki; Thessaloniki Greece
| | - Vasiliki Iliadou
- Clinical Psychoacoustics Lab; 3rd Psychiatry Department; Aristotle University of Thessaloniki; Thessaloniki Greece
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Letter to the Editor: An Affront to Scientific Inquiry Re: Moore, D. R. (2018) Editorial: Auditory Processing Disorder, Ear Hear, 39, 617-620. Ear Hear 2018; 39:1236-1242. [PMID: 30106770 DOI: 10.1097/aud.0000000000000644] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Investigating peripheral sources of speech-in-noise variability in listeners with normal audiograms. Hear Res 2018; 371:66-74. [PMID: 30504092 DOI: 10.1016/j.heares.2018.11.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 10/25/2018] [Accepted: 11/19/2018] [Indexed: 12/19/2022]
Abstract
A current initiative in auditory neuroscience research is to better understand why some listeners struggle to perceive speech-in-noise (SIN) despite having normal hearing sensitivity. Various hypotheses regarding the physiologic bases of this disorder have been proposed. Notably, recent work has suggested that the site of lesion underlying SIN deficits in normal hearing listeners may be either in "sub-clinical" outer hair cell damage or synaptopathic degeneration at the inner hair cell-auditory nerve fiber synapse. In this study, we present a retrospective investigation of these peripheral sources and their relationship with SIN performance variability in one of the largest datasets of young normal-hearing listeners presented to date. 194 participants completed detailed case history questionnaires assessing noise exposure, SIN complaints, tinnitus, and hyperacusis. Standard and extended high frequency audiograms, distortion product otoacoustic emissions, click-evoked auditory brainstem responses, and SIN performance measures were also collected. We found that: 1) the prevalence of SIN deficits in normal hearing listeners was 42% when based on subjective report and 8% when based on SIN performance, 2) hearing complaints and hyperacusis were more common in listeners with self-reported noise exposure histories than controls, 3) neither extended high frequency thresholds nor compound action potential amplitudes differed between noise-exposed and control groups, 4) extended high frequency hearing thresholds and compound action potential amplitudes were not predictive of SIN performance. These results suggest an association between noise exposure and hearing complaints in young, normal hearing listeners; however, SIN performance variability is not explained by peripheral auditory function to the extent that these measures capture subtle physiologic differences between participants.
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