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Journal of the Association for Research in Otolaryngology : JARO

https://read.qxmd.com/read/38079021/speech-perception-in-noise-and-medial-olivocochlear-reflex-effects-of-age-speech-stimulus-and-response-related-variables
#21
JOURNAL ARTICLE
Shezeen Abdul Gafoor, Ajith Kumar Uppunda
PURPOSE: The role of the medial olivocochlear system in speech perception in noise has been debated over the years, with studies showing mixed results. One possible reason for this could be the dependence of this relationship on the parameters used in assessing the speech perception ability (age, stimulus, and response-related variables). METHODS: The current study assessed the influence of the type of speech stimuli (monosyllables, words, and sentences), the signal-to-noise ratio (+5, 0, -5, and -10 dB), the metric used to quantify the speech perception ability (percent-correct, SNR-50, and slope of the psychometric function) and age (young vs old) on the relationship between medial olivocochlear reflex (quantified by contralateral inhibition of transient evoked otoacoustic emissions) and speech perception in noise...
December 11, 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/38062284/spectral-grouping-of-electrically-encoded-sound-predicts-speech-in-noise-performance-in-cochlear-implantees
#22
JOURNAL ARTICLE
Inyong Choi, Phillip E Gander, Joel I Berger, Jihwan Woo, Matthew H Choy, Jean Hong, Sarah Colby, Bob McMurray, Timothy D Griffiths
OBJECTIVES: Cochlear implant (CI) users exhibit large variability in understanding speech in noise. Past work in CI users found that spectral and temporal resolution correlates with speech-in-noise ability, but a large portion of variance remains unexplained. Recent work on normal-hearing listeners showed that the ability to group temporally and spectrally coherent tones in a complex auditory scene predicts speech-in-noise ability independently of the audiogram, highlighting a central mechanism for auditory scene analysis that contributes to speech-in-noise...
December 7, 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/38036714/genome-wide-association-study-of-chronic-dizziness-in-the-elderly-identifies-loci-implicating-mllt10-bptf-linc01224-and-ros1
#23
JOURNAL ARTICLE
Royce Clifford, Daniel Munro, Daniel Dochtermann, Poornima Devineni, Saiju Pyarajan, Francesca Telese, Abraham A Palmer, Pejman Mohammadi, Rick Friedman
PURPOSE: Chronic age-related imbalance is a common cause of falls and subsequent death in the elderly and can arise from dysfunction of the vestibular system, an elegant neuroanatomical group of pathways that mediates human perception of acceleration, gravity, and angular head motion. Studies indicate that 27-46% of the risk of age-related chronic imbalance is genetic; nevertheless, the underlying genes remain unknown. METHODS: The cohort consisted of 50,339 cases and 366,900 controls in the Million Veteran Program...
December 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/38015287/eavesdropping-on-tinnitus-using-meg-lessons-learned-and-future-perspectives
#24
REVIEW
Lisa Reisinger, Gianpaolo Demarchi, Nathan Weisz
Tinnitus has been widely investigated in order to draw conclusions about the underlying causes and altered neural activity in various brain regions. Existing studies have based their work on different tinnitus frameworks, ranging from a more local perspective on the auditory cortex to the inclusion of broader networks and various approaches towards tinnitus perception and distress. Magnetoencephalography (MEG) provides a powerful tool for efficiently investigating tinnitus and aberrant neural activity both spatially and temporally...
November 28, 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/38010580/noise-induced-hearing-threshold-shift-correlated-with-body-weight-and-external-ear-amplification-in-chinchilla-a-preliminary-analysis
#25
JOURNAL ARTICLE
Sarah K Grinn, Monica Trevino, Edward Lobarinas
BACKGROUND: External-ear amplification (EEA) has been shown to vary from 5-19 dB-A in large datasets of pediatric, adolescent, and adult human participants. However, variable EEA is an overlooked characteristic that likely plays a role in individual noise-induced hearing loss (NIHL) susceptibility. A noise exposure varying 5-19 dB-A translates to high-EEA individuals theoretically experiencing 3-4 times greater NIHL risk than low-EEA individuals. OBJECTIVE: The purpose of this preliminary analysis was to test the hypothesis that higher EEA is correlated with increased noise-induced threshold shift susceptibility...
November 27, 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/37957485/neural-degeneration-in-normal-aging-human-cochleas-machine-learning-counts-and-3d-mapping-in-archival-sections
#26
JOURNAL ARTICLE
Pei-Zhe Wu, Jennifer T O'Malley, M Charles Liberman
Quantifying the survival patterns of spiral ganglion cells (SGCs), the cell bodies of auditory-nerve fibers, is critical to studies of sensorineural hearing loss, especially in human temporal bones. The classic method of manual counting is tedious, and, although stereology approaches can be faster, they can only be used to estimate total cell numbers per cochlea. Here, a machine-learning algorithm that automatically identifies, counts, and maps the SGCs in digitized images of semi-serial human temporal-bone sections not only speeds the analysis, with no loss of accuracy, but also allows 3D visualization of the SGCs and fine-grained mapping to cochlear frequency...
November 13, 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/37919556/review-and-perspective-on-brain-bases-of-tinnitus
#27
REVIEW
Fatima T Husain, Rafay A Khan
In advancing our understanding of tinnitus, some of the more impactful contributions in the past two decades have come from human brain imaging studies, specifically the idea of both auditory and extra-auditory neural networks that mediate tinnitus. These networks subserve both the perception of tinnitus and the psychological reaction to chronic, continuous tinnitus. In this article, we review particular studies that report on the nodes and links of such neural networks and their inter-network connections. Innovative neuroimaging tools have contributed significantly to the increased understanding of anatomical and functional connections of attention, emotion-processing, and default mode networks in adults with tinnitus...
November 2, 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/37798548/histological-correlates-of-auditory-nerve-injury-from-kainic-acid-in-the-budgerigar-melopsittacus-undulatus
#28
JOURNAL ARTICLE
Yingxuan Wang, Kristina S Abrams, Margaret Youngman, Kenneth S Henry
PURPOSE: Loss of auditory nerve afferent synapses with cochlear hair cells, called cochlear synaptopathy, is a common pathology in humans caused by aging and noise overexposure. The perceptual consequences of synaptopathy in isolation from other cochlear pathologies are still unclear. Animal models provide an effective approach to resolve uncertainty regarding the physiological and perceptual consequences of auditory nerve loss, because neural lesions can be induced and readily quantified...
October 5, 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/37783963/polygenic-risk-score-based-association-analysis-of-speech-in-noise-and-hearing-threshold-measures-in-healthy-young-adults-with-self-reported-normal-hearing
#29
JOURNAL ARTICLE
Ishan Sunilkumar Bhatt, Sai Kumar Ramadugu, Shawn Goodman, Srividya Grama Bhagavan, Valerie Ingalls, Raquel Dias, Ali Torkamani
PURPOSE: Speech-in-noise (SIN) traits exhibit high inter-subject variability, even for healthy young adults reporting normal hearing. Emerging evidence suggests that genetic variability could influence inter-subject variability in SIN traits. Genome-wide association studies (GWAS) have uncovered the polygenic architecture of various adult-onset complex human conditions. Polygenic risk scores (PRS) summarize complex genetic susceptibility to quantify the degree of genetic risk for health conditions...
October 2, 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/37955740/reporting-and-sharing-matters
#30
EDITORIAL
Christopher R Cederroth
No abstract text is available yet for this article.
October 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/37794291/somatosensory-tinnitus-recent-developments-in-diagnosis-and-treatment
#31
REVIEW
Sarah Michiels
Somatosensory tinnitus (ST) is a type of tinnitus where changes in somatosensory input from the head-neck area are one of the influencing factors of a patient's tinnitus. As there are often several influencing factors, identifying a clear somatosensory influence on an individual patient's tinnitus is often a challenge. Therefore, a decision tree using four clinical criteria has been proposed that can help diagnose ST with an accuracy of 82.2%, a sensitivity of 82.5%, and a specificity of 79%. Once correctly diagnosed, patients can be successfully treated using a musculoskeletal physical therapy treatment...
October 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/37684421/sheep-as-a-large-animal-model-for-otology-research-temporal-bone-extraction-and-transmastoid-facial-recess-surgical-approach
#32
JOURNAL ARTICLE
Nicholas A Waring, Alexander Chern, Brandon J Vilarello, Jeffrey H Lang, Elizabeth S Olson, Hideko Heidi Nakajima
PURPOSE: Sheep are used as a large-animal model for otology research and can be used to study implantable hearing devices. However, a method for temporal bone extraction in sheep, which enables various experiments, has not been described, and literature on middle ear access is limited. We describe a method for temporal bone extraction and an extended facial recess surgical approach to the middle ear in sheep. METHODS: Ten temporal bones from five Hampshire sheep head cadavers were extracted using an oscillating saw...
October 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/37561372/an-opportunity-for-constructing-the-future-of-data-sharing-in-otolaryngology
#33
EDITORIAL
Mark A Eckert, Fatima T Husain, Dona M P Jayakody, Winfried Schlee, Christopher R Cederroth
No abstract text is available yet for this article.
August 10, 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/37407801/quantitative-evaluation-of-the-3d-anatomy-of-the-human-osseous-spiral-lamina-using-microct
#34
JOURNAL ARTICLE
Gabriela O Bom Braga, Annapaola Parrilli, Robert Zboray, Milica Bulatović, Franca Wagner
PURPOSE: The osseous spiral lamina (OSL) is an inner cochlear bony structure that projects from the modiolus from base to apex, separating the cochlear canal into the scala vestibuli and scala tympani. The porosity of the OSL has recently attracted the attention of scientists due to its potential impact on the overall sound transduction. The bony pillars between the vestibular and tympanic plates of the OSL are not always visible in conventional histopathological studies, so imaging of such structures is usually lacking or incomplete...
August 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/37516679/the-next-challenges-of-vestibular-implantation-in-humans
#35
REVIEW
Joost Johannes Antonius Stultiens, Richard F Lewis, James O Phillips, Anissa Boutabla, Charles C Della Santina, Rudolf Glueckert, Raymond van de Berg
Patients with bilateral vestibulopathy suffer from a variety of complaints, leading to a high individual and social burden. Available treatments aim to alleviate the impact of this loss and improve compensatory strategies. Early experiments with electrical stimulation of the vestibular nerve in combination with knowledge gained by cochlear implant research, have inspired the development of a vestibular neuroprosthesis that can provide the missing vestibular input. The feasibility of this concept was first demonstrated in animals and later in humans...
July 29, 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/37464091/distortion-product-otoacoustic-emissions-in-mice-above-and-below-the-eliciting-primaries
#36
JOURNAL ARTICLE
Mary Ann Cheatham
Normal hearing is associated with cochlear nonlinearity. When two tones (f1 and f2) are presented, the intracochlear response contains additional components that can be recorded from the ear canal as distortion product otoacoustic emissions (DPOAEs). Although the most prominent intermodulation distortion component is at 2f1-f2, other cubic distortion products are also generated. Because these measurements are noninvasive, they are used in humans and in animal models to detect hearing loss. This study evaluated how loss of sensitivity affects DPOAEs with frequencies above and below the stimulating primaries, i...
July 18, 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/37438572/frequency-following-responses-to-tone-glides-effects-of-age-and-hearing-loss
#37
JOURNAL ARTICLE
Michelle R Molis, William J Bologna, Brandon M Madsen, Ramesh Kumar Muralimanohar, Curtis J Billings
PURPOSE: Speech is characterized by dynamic acoustic cues that must be encoded by the auditory periphery, auditory nerve, and brainstem before they can be represented in the auditory cortex. The fidelity of these cues in the brainstem can be assessed with the frequency-following response (FFR). Data obtained from older adults-with normal or impaired hearing-were compared with previous results obtained from normal-hearing younger adults to evaluate the effects of age and hearing loss on the fidelity of FFRs to tone glides...
July 12, 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/37436592/abnormal-functional-connectivity-within-default-mode-network-and-salience-network-related-to-tinnitus-severity
#38
JOURNAL ARTICLE
Binbin Xiong, Zhao Liu, Jiahong Li, Xiayin Huang, Jing Yang, Wenqiang Xu, Yu-Chen Chen, Yuexin Cai, Yiqing Zheng
BACKGROUND: Previous studies have demonstrated that tinnitus is associated with neural changes in the cerebral cortex. This study is aimed at investigating the central nervous characteristics of tinnitus patients with different severity by using a rs-EEG. PARTICIPANTS AND METHODS: rs-EEG was recorded in fifty-seven patients with chronic tinnitus and twenty-seven healthy controls. Tinnitus patients were divided into moderate-to-severe tinnitus group and slight-to-mild tinnitus group based on their Tinnitus Handicap Inventory (THI) scores...
July 12, 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/37341886/nidcd-s-5-year-strategic-plan-describes-scientific-priorities-and-commitment-to-basic-science
#39
EDITORIAL
Debara L Tucci
The National Institute on Deafness and Other Communication Disorders (NIDCD) recently issued a new strategic plan that describes the institute's scientific priorities over the next five years. Developed in collaboration with informed stakeholders, the 2023-2027 NIDCD Strategic Plan: Advancing the Science of Communication to Improve Lives creates a unified vision to stimulate discoveries in basic research, model systems, innovative technologies, individualized treatment approaches, scientific data sharing, and translation of research findings into clinical practice...
June 21, 2023: Journal of the Association for Research in Otolaryngology: JARO
https://read.qxmd.com/read/37165211/finite-element-modelling-based-on-optical-coherence-tomography-and-corresponding-x-ray-microct-data-for-three-human-middle-ears
#40
JOURNAL ARTICLE
Marzieh Golabbakhsh, Xuan Wang, Dan MacDougall, Joshua Farrell, Thomas Landry, W Robert J Funnell, Robert Adamson
PURPOSE: Optical coherence tomography (OCT) is an emerging imaging modality which is non-invasive, can be employed in vivo, and can record both anatomy and vibrations. The purpose here is to explore the application of finite-element (FE) modelling to OCT data. METHODS: We recorded vibrations for three human cadaver middle ears using OCT. We also have X-ray microCT images from the same ears. Three FE models were built based on geometries obtained from the microCT images...
June 2023: Journal of the Association for Research in Otolaryngology: JARO
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