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https://www.readbyqxmd.com/read/28646750/phonological-and-orthographic-coding-in-deaf-skilled-readers
#1
Noemi Fariña, Jon Andoni Duñabeitia, Manuel Carreiras
Written language is very important in daily life. However, most deaf people do not achieve good reading levels compared to their hearing peers. Previous research has mainly focused on their difficulties when reading in a language with an opaque orthography such as English. In the present study, we investigated visual word recognition of deaf adult skilled readers while reading in Spanish, a language with a transparent orthography, for which obligatory phonological mediation has been claimed. Experiment 1 showed a pseudohomophone inhibitory effect in hearing but not in deaf people...
June 21, 2017: Cognition
https://www.readbyqxmd.com/read/28646272/rhesus-cochlear-and-vestibular-functions-are-preserved-after-inner-ear-injection-of-saline-volume-sufficient-for-gene-therapy-delivery
#2
Chenkai Dai, Mohamed Lehar, Daniel Q Sun, Lani Swarthout Rvt, John P Carey, Tim MacLachlan, Doug Brough, Hinrich Staecker, Alexandra M Della Santina, Timothy E Hullar, Charles C Della Santina
Sensorineural losses of hearing and vestibular sensation due to hair cell dysfunction are among the most common disabilities. Recent preclinical research demonstrates that treatment of the inner ear with a variety of compounds, including gene therapy agents, may elicit regeneration and/or repair of hair cells in animals exposed to ototoxic medications or other insults to the inner ear. Delivery of gene therapy may also offer a means for treatment of hereditary hearing loss. However, injection of a fluid volume sufficient to deliver an adequate dose of a pharmacologic agent could, in theory, cause inner ear trauma that compromises functional outcome...
June 23, 2017: Journal of the Association for Research in Otolaryngology: JARO
https://www.readbyqxmd.com/read/28646237/insulin-like-growth-factor-1-in-relation-to-future-hearing-impairment-findings-from-the-english-longitudinal-study-of-ageing
#3
Camille Lassale, G David Batty, Andrew Steptoe, Paola Zaninotto
Insulin-like Growth Factor 1 (IGF-1) is associated with cardiovascular disease, itself a risk factor for hearing impairment, and, in animal studies, molecular evidence suggests a role for IGF-1 in hearing function. However, the link between IGF-1 and the occurrence of hearing impairment is untested in population-based studies of humans. A total of 4390 participants aged ≥50 y (mean [SD] age 64.2 [8.0] years at baseline, 55% women) from the English Longitudinal Study of Ageing provided serum levels of IGF-1 in 2008 and again in 2012...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28644204/hearing-safety-from-single-and-double-pulse-transcranial-magnetic-stimulation-in-children-and-young-adults
#4
Sahana N Kukke, Carmen C Brewer, Christopher Zalewski, Kelly A King, Diane Damiano, Katharine E Alter, Mark Hallett
PURPOSE: Concerns regarding hearing safety have limited the number of studies using transcranial magnetic stimulation (TMS) in children and young adults. The objective of this study was to examine the safety of TMS with regards to hearing in a group of 16 children and young adults (17.3 ± 4.9 years) with and without brain injury. METHODS: Pure-tone hearing thresholds and distortion-product otoacoustic emissions were measured before and after exposure to single- and paired-pulse TMS (1-2 sessions of 149-446 TMS pulses at a median of 49%-100% maximum stimulator output over a 2...
July 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28644164/frontline-managers-we-want-to-hear-about-you-2017-richard-hader-visionary-leader-award
#5
(no author information available yet)
No abstract text is available yet for this article.
July 2017: Nursing Management
https://www.readbyqxmd.com/read/28644112/susac-syndrome-misdiagnosed-as-multiple-sclerosis-with-exacerbation-by-interferon-beta-therapy
#6
Hussein Algahtani, Bader Shirah, Muhammad Amin, Eyad Altarazi, Hashem Almarzouki
Susac syndrome is a rare autoimmune disorder characterised by the clinical triad of encephalopathy, retinopathy (branch retinal artery occlusions) and hearing loss. The diagnosis of Susac syndrome may be difficult initially, and it is not uncommon for patients with Susac syndrome to be misdiagnosed with multiple sclerosis. In this case report, we describe a patient who was diagnosed as having multiple sclerosis for three years, with further deterioration after starting treatment with interferon beta-1a. The patient had the triad of encephalopathy, branch retinal artery occlusions and sensorineural hearing loss...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28643534/transplantation-of-mouse-induced-pluripotent-stem-cells-into-the-cochlea-for-the-treatment-of-sensorineural-hearing-loss
#7
Jing Chen, Lina Guan, Hengtao Zhu, Shan Xiong, Liang Zeng, Hongqun Jiang
CONCLUSION: Mouse-induced pluripotent stem cells (iPSCs) could differentiate into hair cell-like cells and spiral ganglion-like cells after transplantation into mouse cochleae, but it cannot improve the auditory brain response (ABR) thresholds in short term. OBJECTIVE: To evaluate the potential of iPSCs for use as a source of transplants for the treatment of sensorineural hearing loss (SNHL). METHODS: Establishing SNHL mice model, then injecting the iPSCs or equal volume DMEM basic medium into the cochleae, respectively...
June 23, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28643531/difficult-conversations-talking-about-cost-in-audiology-consultations-with-older-adults
#8
Katie Ekberg, Caitlin Barr, Louise Hickson
OBJECTIVE: Financial cost is a barrier for many older adults in their decision to obtain hearing aids (HAs). This study aimed to examine conversations about the cost of HAs in detail within initial audiology appointments. DESIGN: Sixty-two initial audiology appointments were video-recorded. The data were analysed using conversation analysis. STUDY SAMPLE: Participants included 26 audiologists, 62 older adults and 17 companions. RESULTS: Audiologists and clients displayed interactional difficulty during conversations about cost...
June 23, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28643417/congenital-deafness-affects-deep-layers-in-primary-and-secondary-auditory-cortex
#9
Christoph Berger, Daniela Kühne, Verena Scheper, A Kral
Congenital deafness leads to functional deficits in the auditory cortex for which early cochlear implantation can effectively compensate. Most of these deficits have been demonstrated functionally. Furthermore, the majority of previous studies on deafness have involved the primary auditory cortex; knowledge of higher-order areas is limited to effects of cross-modal reorganization. In this study, we compared the cortical cytoarchitecture of four cortical areas in adult hearing and congenitally deaf cats (CDCs): the primary auditory field A1, two secondary auditory fields, namely the dorsal zone (DZ) and second auditory field (A2); and a reference visual association field (area 7) in the same section stained either using Nissl or SMI-32 antibodies...
June 23, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28643327/predictive-factors-for-short-and-long-term-hearing-preservation-in-cochlear-implantation-with-conventional-length-electrodes
#10
George B Wanna, Brendan P O'Connell, David O Francis, Rene H Gifford, Jacob B Hunter, Jourdan T Holder, Marc L Bennett, Alejandro Rivas, Robert F Labadie, David S Haynes
OBJECTIVES/HYPOTHESIS: The aims of this study were to investigate short- and long-term rates of hearing preservation after cochlear implantation and identify factors that impact hearing preservation. STUDY DESIGN: Retrospective review. METHODS: Patients undergoing cochlear implantation with conventional-length electrodes and air-conduction thresholds ≤80 dB HL at 250 Hz preoperatively were included. Hearing preservation was defined as air-conduction thresholds ≤80 dB HL at 250 Hz...
June 22, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28642685/rab-interacting-molecules-2-and-3-directly-interact-with-the-pore-forming-cav1-3-ca-2-channel-subunit-and-promote-its-membrane-expression
#11
Maria M Picher, Ana-Maria Oprişoreanu, SangYong Jung, Katrin Michel, Susanne Schoch, Tobias Moser
Rab interacting molecules (RIMs) are multi-domain proteins that positively regulate the number of Ca(2+) channels at the presynaptic active zone (AZ). Several molecular mechanisms have been demonstrated for RIM-binding to components of the presynaptic Ca(2+) channel complex, the key signaling element at the AZ. Here, we report an interaction of the C2B domain of RIM2α and RIM3γ with the C-terminus of the pore-forming α-subunit of CaV1.3 channels (CaV1.3α1), which mediate stimulus-secretion coupling at the ribbon synapses of cochlear inner hair cells (IHCs)...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28642679/assessment-of-ipsilateral-efferent-effects-in-human-via-ecochg
#12
Eric Verschooten, Elizabeth A Strickland, Nicolas Verhaert, Philip X Joris
Development of electrophysiological means to assess the medial olivocochlear (MOC) system in humans is important to further our understanding of the function of that system and for the refinement and validation of psychoacoustical and otoacoustic emission methods which are thought to probe the MOC. Based on measurements in anesthetized animals it has been hypothesized that the MOC-reflex (MOCR) can enhance the response to signals in noise, and several lines of evidence support such a role in humans. A difficulty in these studies is the isolation of efferent effects...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28642583/sox2-is-required-for-inner-ear-neurogenesis
#13
Aleta R Steevens, Danielle L Sookiasian, Jenna C Glatzer, Amy E Kiernan
Neurons of the cochleovestibular ganglion (CVG) transmit hearing and balance information to the brain. During development, a select population of early otic progenitors express NEUROG1, delaminate from the otocyst, and coalesce to form the neurons that innervate all inner ear sensory regions. At present, the selection process that determines which otic progenitors activate NEUROG1 and adopt a neuroblast fate is incompletely understood. The transcription factor SOX2 has been implicated in otic neurogenesis, but its requirement in the specification of the CVG neurons has not been established...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28642245/a-reporter-mouse-model-for-in-vivo-tracing-and-in-vitro-molecular-studies-of-melanocytic-lineage-cells-and-their-diseases
#14
Melissa Crawford, Valerie Leclerc, Lina Dagnino
Alterations in melanocytic lineage cells give rise to a plethora of distinct human diseases, including neurocristopathies, cutaneous pigmentation disorders, loss of vision and hearing, as well as melanoma. Understanding the ontogeny and biology of melanocytic cells, as well as how they interact with their surrounding environment, are key steps in the development of therapies for diseases that involve this cell lineage. Efforts to culture and characterize primary melanocytes from normal or genetically engineered mouse models have at times yielded contrasting observations...
June 22, 2017: Biology Open
https://www.readbyqxmd.com/read/28642064/the-genetic-basis-of-deafness-in-populations-of-african-descent
#15
REVIEW
Jason R Rudman, Rosemary I Kabahuma, Sara E Bressler, Yong Feng, Susan H Blanton, Denise Yan, Xue-Zhong Liu
Hearing loss is the most common sensorineural disorder worldwide and is associated with more than 1000 mutations in more than 90 genes. While mutations in genes such as GJB2 (gap-junction protein β 2) and GJB6 (gap-junction protein β 6) are highly prevalent in Caucasian, Asian, and Middle Eastern populations, they are rare in both native African populations and those of African descent. The objective of this paper is to review the current knowledge regarding the epidemiology and genetics of hearing loss in African populations with a focus on native sub-Saharan African populations...
May 6, 2017: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/28641772/susac-syndrome-a-differential-diagnosis-of-white-matter-lesions
#16
Mariano Marrodan, Jorge Correale, Lucas Alessandro, Mariela Amaya, Maria Eugenia Fracaro, Alejandro Alfredo Köhler, Marcela Fiol
INTRODUCTION: Susac Syndrome is an autoimmune endotheliopathy affecting capillaries and precapillary arterioles of the brain, inner ear and retina. The classic symptom triad includes visual disturbances, hypoacusia, and encephalopathy, but is rarely fully manifest at onset. The syndrome typically follows an active fluctuating monophasic course. Typical imaging findings on brain magnetic resonance show central fiber microischemias/microinfarctions of the corpus callosum known as "snow balls", as well as lineal infarcts and upper callosal fiber involvement...
July 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28641636/-short-and-long-term-clinical-efficacy-of-imrt-and-crt-for-treatment-of-patients-with-enktl
#17
Jian-Xiong Cui, Wu-Hua Lin
OBJECTIVE: To compare the short and long term clinical efficacy for treatment of patients with extranodal nasal-type NK/T-cell lymphoma(ENKTL) by intensity modulated radiotherapy(IMRT) and conventional radiotheraphy(CRT). METHODS: Sixty-three cases of early ENKTL were divided into the IMRT group of (33 cases) and CRT group(30 cases). The short effects, overall survival(OS) of 3 years, progression free survival(PFS) of 3 years, acute radiation injury and late adverse reactions to radiation were compared between 2 group...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641322/scuba-diving-and-otology-a-systematic-review-with-recommendations-on-diagnosis-treatment-and-post-operative-care
#18
REVIEW
Devon M Livingstone, Kristine A Smith, Beth Lange
Scuba diving is a popular recreational and professional activity with inherent risks. Complications related to barotrauma and decompression illness can pose significant morbidity to a diver's hearing and balance systems. The majority of dive-related injuries affect the head and neck, particularly the outer, middle and inner ear. Given the high incidence of otologic complications from diving, an evidence-based approach to the diagnosis and treatment of otic pathology is a necessity. We performed a systematic and comprehensive literature review including the pathophysiology, diagnosis, and treatment of otologic pathology related to diving...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28641038/interaction-of-tinnitus-suppression-and-hearing-ability-after-cochlear-implantation
#19
Qian Wang, Jia-Nan Li, Guan-Xiong Lei, Dai-Shi Chen, Wei-Ze Wang, Ai-Ting Chen, Meng-Di Mong, Sun Li, Qing-Shan Jiao, Shi-Ming Yang
OBJECTIVES: To study the postoperative impact of cochlear implants (CIs) on tinnitus, as well as the impact of tinnitus on speech recognition with CI switched on. METHODS: Fifty-two postlingual deafened CI recipients (21 males and 31 females) were assessed using an established Tinnitus Characteristics Questionnaire and Tinnitus Handicap Inventory (THI) before and after cochlear implantation. The tinnitus loudness was investigated when CI was switched on and off in CI recipients with persistent tinnitus...
June 22, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28640916/severe-hearing-impairment-and-risk-of-depression-a-national-cohort-study
#20
So Young Kim, Hyung-Jong Kim, Eun-Kyu Park, Jiwon Joe, Songyong Sim, Hyo Geun Choi
OBJECTIVE: Hearing impairment is suggested to be associated with depression in the elderly. The present study evaluated the risk of depression after hearing impairment in all age groups matched by age, sex, income, and region of residence. METHODS: The Korean Health Insurance Review and Assessment Service-National Patient Samples were collected for a period from 2002 to 2013. Hearing impairment was defined as a hearing threshold ≥ 60 dB in both ears or as ≥ 80 dB in one ear and ≥ 40 dB in one ear...
2017: PloS One
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