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https://www.readbyqxmd.com/read/28503164/superior-canal-dehiscence-syndrome-lessons-from-the-first-20-years
#1
REVIEW
Bryan K Ward, John P Carey, Lloyd B Minor
Superior semicircular canal dehiscence syndrome was first reported by Lloyd Minor and colleagues in 1998. Patients with a dehiscence in the bone overlying the superior semicircular canal experience symptoms of pressure or sound-induced vertigo, bone conduction hyperacusis, and pulsatile tinnitus. The initial series of patients were diagnosed based on common symptoms, a physical examination finding of eye movements in the plane of the superior semicircular canal when ear canal pressure or loud tones were applied to the ear, and high-resolution computed tomography imaging demonstrating a dehiscence in the bone over the superior semicircular canal...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28463806/salicylate-induced-hyperacusis-in-rats-dose-and-frequency-dependent-effects
#2
Kelly Radziwon, David Holfoth, Julia Lindner, Zoe Kaier-Green, Rachael Bowler, Maxwell Urban, Richard Salvi
The use of auditory reaction time is a reliable measure of loudness perception in both animals and humans with reaction times (RT) decreasing with increasing stimulus intensity. Since abnormal loudness perception is a common feature of hyperacusis, a potentially debilitating auditory disorder in which moderate-intensity sounds are perceived as uncomfortable or painfully loud, we used RT measures to assess rats for salicylate-induced hyperacusis. A previous study using an operant conditioning RT procedure found that high-dose sodium salicylate (SS) induced hyperacusis-like behavior, i...
April 27, 2017: Hearing Research
https://www.readbyqxmd.com/read/28431308/hyperexcitability-of-inferior-colliculus-and-acoustic-startle-reflex-with-age-related-hearing-loss
#3
Binbin Xiong, Ana'am Alkharabsheh, Senthilvelan Manohar, Guang-Di Chen, Ning Yu, Xiaoming Zhao, Richard Salvi, Wei Sun
Chronic tinnitus and hyperacusis often develop with age-related hearing loss presumably due to aberrant neural activity in the central auditory system (CAS) induced by cochlear pathologies. However, the full spectrum of physiological changes that occur in the CAS as a result age-related hearing loss are still poorly understood. To address this issue, neurophysiological measures were obtained from the cochlea and the inferior colliculus (IC) of 2, 6 and 12 month old C57BL/6J mice, a mouse model for early age-related hearing loss...
March 27, 2017: Hearing Research
https://www.readbyqxmd.com/read/28418328/internet-based-intervention-for-tinnitus-outcome-of-a-single-group-open-trial
#4
Eldré W Beukes, Peter M Allen, Vinaya Manchaiah, David M Baguley, Gerhard Andersson
BACKGROUND: Managing chronic tinnitus is challenging, and innovative ways to address the resulting health-care burden are required. Internet-based cognitive behavioral therapy (iCBT) for tinnitus shows promise as a cost-effective treatment option. The feasibility and effectiveness of iCBT in the United Kingdom are yet to be explored. Furthermore, it is not known if iCBT can be supported by an audiologist rather than a psychologist. PURPOSE: This study aimed to determine the feasibility of guided iCBT using audiological support on tinnitus distress and tinnitus-related comorbidities...
April 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28418323/the-personality-profile-of-tinnitus-sufferers-and-a-nontinnitus-control-group
#5
Mithila Durai, Mary G O'Keeffe, Grant D Searchfield
BACKGROUND: Chronic tinnitus (phantom perception of sound) significantly disrupts quality of life in 15-20% of those who experience it. Understanding how certain personality traits impact tinnitus perception and distress can be beneficial for the development of interventions to improve the lives of tinnitus sufferers. PURPOSE: Four key self-reported personality traits (social closeness, stress reaction, alienation, and self-control) were identified from previous research as being associated with tinnitus...
April 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28394666/assessment-of-hyperacusis-with-a-newly-produced-japanese-version-of-the-khalfa-hyperacusis-questionnaire
#6
Naoki Oishi, Hiroyuki Yamada, Sho Kanzaki, Akihiro Kurita, Yoichiro Takiguchi, Isamu Yuge, Yoji Asama, Masatsugu Masuda, Kaoru Ogawa
OBJECTIVES: The purpose of this study was to determine the validity and reliability of a Japanese version of the Khalfa hyperacusis questionnaire (KHQ) and proposed a threshold KHQ score for classifying hyperacusis. METHODS: In total, 112 patients with hyperacusis (group A) and 103 patients without hyperacusis (group B). The patients in group A were further classified into the following subgroups: subjects with hyperacusis as their chief complaint (n = 26, group A1) and subjects with hyperacusis accompanied by chief complaints of tinnitus and/or hearing loss (n = 86, group A2)...
April 10, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28384694/auditory-phenotype-of-smith-magenis-syndrome
#7
Megan A Brendal, Kelly A King, Christopher K Zalewski, Brenda M Finucane, Wendy Introne, Carmen C Brewer, Ann C M Smith
Purpose: The purpose of this study was to describe the auditory phenotype of a large cohort with Smith-Magenis syndrome (SMS), a rare disorder including physical anomalies, cognitive deficits, sleep disturbances, and a distinct behavioral phenotype. Method: Hearing-related data were collected for 133 individuals with SMS aged 1-49 years. Audiogram data (97 participants) were used for cross-sectional and longitudinal analyses. Caregivers completed a sound sensitivity survey for 98 individuals with SMS and a control group of 24 unaffected siblings...
April 4, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28382131/superior-semicircular-canal-dehiscence-syndrome-diagnosis-and-surgical-management
#8
Marite Palma Diaz, Juan Carlos Cisneros Lesser, Alfredo Vega Alarcón
Introduction Superior semicircular canal dehiscence syndrome was described by Minor et al in 1998. It is a troublesome syndrome that results in vertigo and oscillopsia induced by loud sounds or changes in the pressure of the external auditory canal or middle ear. Patients may present with autophony, hyperacusis, pulsatile tinnitus and hearing loss. When symptoms are mild, they are usually managed conservatively, but surgical intervention may be needed for patients with debilitating symptoms. Objective The aim of this manuscript is to review the different surgical techniques used to repair the superior semicircular canal dehiscence...
April 2017: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/28286368/a-sound-therapy-based-intervention-to-expand-the-auditory-dynamic-range-for-loudness-among-persons-with-sensorineural-hearing-losses-case-evidence-showcasing-treatment-efficacy
#9
REVIEW
Craig Formby, LaGuinn P Sherlock, Monica L Hawley, Susan L Gold
Case evidence is presented that highlights the clinical relevance and significance of a novel sound therapy-based treatment. This intervention has been shown to be efficacious in a randomized controlled trial for promoting expansion of the dynamic range for loudness and increased sound tolerance among persons with sensorineural hearing losses. Prior to treatment, these individuals were unable to use aided sound effectively because of their limited dynamic ranges. These promising treatment effects are shown in this article to be functionally significant, giving rise to improved speech understanding and enhanced hearing aid benefit and satisfaction, and, in turn, to enhanced quality of life posttreatment...
February 2017: Seminars in Hearing
https://www.readbyqxmd.com/read/28286367/structured-counseling-for-auditory-dynamic-range-expansion
#10
REVIEW
Susan L Gold, Craig Formby
A structured counseling protocol is described that, when combined with low-level broadband sound therapy from bilateral sound generators, offers audiologists a new tool for facilitating the expansion of the auditory dynamic range (DR) for loudness. The protocol and its content are specifically designed to address and treat problems that impact hearing-impaired persons who, due to their reduced DRs, may be limited in the use and benefit of amplified sound from hearing aids. The reduced DRs may result from elevated audiometric thresholds and/or reduced sound tolerance as documented by lower-than-normal loudness discomfort levels (LDLs)...
February 2017: Seminars in Hearing
https://www.readbyqxmd.com/read/28286365/auditory-brainstem-and-middle-latency-responses-measured-pre-and-posttreatment-for-hyperacusic-hearing-impaired-persons-successfully-treated-to-improve-sound-tolerance-and-to-expand-the-dynamic-range-for-loudness-case-evidence
#11
REVIEW
Craig Formby, Peggy Korczak, LaGuinn P Sherlock, Monica L Hawley, Susan Gold
In this report of three cases, we consider electrophysiologic measures from three hyperacusic hearing-impaired individuals who, prior to treatment to expand their dynamic ranges for loudness, were problematic hearing aid candidates because of their diminished sound tolerance and reduced dynamic ranges. Two of these individuals were treated with structured counseling combined with low-level broadband sound therapy from bilateral sound generators and the third case received structured counseling in combination with a short-acting placebo sound therapy...
February 2017: Seminars in Hearing
https://www.readbyqxmd.com/read/28286099/tinnitus-and-hyperacusis-contributions-of-paraflocculus-reticular-formation-and-stress
#12
Yu-Chen Chen, Guang-Di Chen, Benjamin D Auerbach, Senthilvelan Manohar, Kelly Radziwon, Richard Salvi
Tinnitus and hyperacusis are common and potentially serious hearing disorders associated with noise-, age- or drug-induced hearing loss. Accumulating evidence suggests that tinnitus and hyperacusis are linked to excessive neural activity in a distributed brain network that not only includes the central auditory pathway, but also brain regions involved in arousal, emotion, stress and motor control. Here we examine electrophysiological changes in two novel non-auditory areas implicated in tinnitus and hyperacusis: the caudal pontine reticular nucleus (PnC), involved in arousal, and the paraflocculus lobe of the cerebellum (PFL), implicated in head-eye coordination and gating tinnitus and we measure the changes in corticosterone stress hormone levels...
June 2017: Hearing Research
https://www.readbyqxmd.com/read/28277857/usefulness-of-self-report-questionnaires-for-psychological-assessment-of-patients-with-tinnitus-and-hyperacusis-and-patients-views-of-the-questionnaires
#13
Hashir Aazh, Brian C J Moore
OBJECTIVE: The objective was to determine the relevance and applicability of psychological questionnaires to patients seeking help for tinnitus and/or hyperacusis. DESIGN: This was a questionnaire-based survey. The following questionnaires were administered: Generalised Anxiety Disorder (GAD-7), Short Health Anxiety Inventory (SHAI), Mini-Social Phobia Inventory (Mini-SPIN), Obsessive Compulsive Inventory-Revised (OCI-R), Panic Disorder Severity Scale-Self Report (PDSS-SR), Patient Health Questionnaire (PHQ-9) and Penn State Worry Questionnaire-Abbreviated version (PSWQ-A)...
March 9, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28252196/health-relevant-personality-is-associated-with-sensitivity-to-sound-hyperacusis
#14
Karin Villaume, Dan Hasson
Hyperacusis, over-sensitivity to sounds, causes distress and disability and the etiology is not fully understood. The study aims to explore possible associations between health-relevant personality traits and hyperacusis. Hyperacusis was assessed using the Hyperacusis Questionnaire (HQ), and clinical uncomfortable loudness levels (ULL). Personality was measured with the Health-relevant Personality (HP5i) Inventory. The study sample was 348 (140 men and 208 women; age 23-71 years). Moderate correlations were found between the personality trait negative affectivity (NA; a facet of neuroticism) and dimensions of the HQ and weak correlations were found with the ULLs...
April 2017: Scandinavian Journal of Psychology
https://www.readbyqxmd.com/read/28087419/cochlear-synaptopathy-in-acquired-sensorineural-hearing-loss-manifestations-and-mechanisms
#15
REVIEW
M Charles Liberman, Sharon G Kujawa
Common causes of hearing loss in humans - exposure to loud noise or ototoxic drugs and aging - often damage sensory hair cells, reflected as elevated thresholds on the clinical audiogram. Recent studies in animal models suggest, however, that well before this overt hearing loss can be seen, a more insidious, but likely more common, process is taking place that permanently interrupts synaptic communication between sensory inner hair cells and subsets of cochlear nerve fibers. The silencing of affected neurons alters auditory information processing, whether accompanied by threshold elevations or not, and is a likely contributor to a variety of perceptual abnormalities, including speech-in-noise difficulties, tinnitus and hyperacusis...
June 2017: Hearing Research
https://www.readbyqxmd.com/read/28018209/speech-comprehension-difficulties-in-chronic-tinnitus-and-its-relation-to-hyperacusis
#16
Veronika Vielsmeier, Peter M Kreuzer, Frank Haubner, Thomas Steffens, Philipp R O Semmler, Tobias Kleinjung, Winfried Schlee, Berthold Langguth, Martin Schecklmann
Objective: Many tinnitus patients complain about difficulties regarding speech comprehension. In spite of the high clinical relevance little is known about underlying mechanisms and predisposing factors. Here, we performed an exploratory investigation in a large sample of tinnitus patients to (1) estimate the prevalence of speech comprehension difficulties among tinnitus patients, to (2) compare subjective reports of speech comprehension difficulties with behavioral measurements in a standardized speech comprehension test and to (3) explore underlying mechanisms by analyzing the relationship between speech comprehension difficulties and peripheral hearing function (pure tone audiogram), as well as with co-morbid hyperacusis as a central auditory processing disorder...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27989950/plastic-changes-along-auditory-pathway-during-salicylate-induced-ototoxicity-hyperactivity-and-cf-shifts
#17
Chen Jiang, Bin Luo, Senthilvelan Manohar, Guang-Di Chen, Richard Salvi
High dose of salicylate, the active ingredient in aspirin, has long been known to induce transient hearing loss, tinnitus and hyperacusis making it a powerful experimental tool. These salicylate-induced perceptual disturbances are associated with a massive reduction in the neural output of the cochlea. Paradoxically, the diminished neural output of the cochlea is accompanied by a dramatic increase in sound-evoked activity in the auditory cortex (AC) and several other parts of the central nervous system. Exactly where the increase in neural activity begins and builds up along the central auditory pathway are not fully understood...
April 2017: Hearing Research
https://www.readbyqxmd.com/read/27920720/validation-of-online-versions-of-tinnitus-questionnaires-translated-into-swedish
#18
Karolina Müller, Niklas K Edvall, Esma Idrizbegovic, Robert Huhn, Rilana Cima, Viktor Persson, Constanze Leineweber, Hugo Westerlund, Berthold Langguth, Winfried Schlee, Barbara Canlon, Christopher R Cederroth
Background: Due to the lack of objective measures for assessing tinnitus, its clinical evaluation largely relies on the use of questionnaires and psychoacoustic tests. A global assessment of tinnitus burden would largely benefit from holistic approaches that not only incorporate measures of tinnitus but also take into account associated fears, emotional aspects (stress, anxiety, and depression), and quality of life. In Sweden, only a few instruments are available for assessing tinnitus, and the existing tools lack validation...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27895575/can-animal-models-contribute-to-understanding-tinnitus-heterogeneity-in-humans
#19
REVIEW
Jos J Eggermont
The brain activity of humans with tinnitus of various etiologies is typically studied with electro- and magneto-encephalography and functional magnetic resonance imaging-based imaging techniques. Consequently, they measure population responses and mostly from the neocortex. The latter also underlies changes in neural networks that may be attributed to tinnitus. However, factors not strictly related to tinnitus such as hearing loss and hyperacusis, as well as other co-occurring disorders play a prominent role in these changes...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27862478/reductions-in-cortical-alpha-activity-enhancements-in-neural-responses-and-impaired-gap-detection-caused-by-sodium-salicylate-in-awake-guinea-pigs
#20
Joel I Berger, Ben Coomber, Mark N Wallace, Alan R Palmer
Tinnitus chronically affects between 10-15% of the population but, despite its prevalence, the underlying mechanisms are still not properly understood. One experimental model involves administration of high doses of sodium salicylate, as this is known to reliably induce tinnitus in both humans and animals. Guinea pigs were implanted with chronic electrocorticography (ECoG) electrode arrays, with silver-ball electrodes placed on the dura over left and right auditory cortex. Two more electrodes were positioned over the cerebellum to monitor auditory brainstem responses (ABRs)...
February 2017: European Journal of Neuroscience
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