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hearing research

Osvaldo P Almeida, Andrew H Ford, Graeme J Hankey, Bu B Yeap, Jonathan Golledge, Leon Flicker
BACKGROUND: Recent research has identified several potentially modifiable risk factors for dementia, including mental disorders. Psychotic disorders, such as schizophrenia and delusional disorder, have also been associated with increased risk of cognitive impairment and dementia, but currently available data difficult to generalise because of bias and confounding. We designed the present study to investigate if the presence of a psychotic disorder increased the risk of incident dementia in later life...
March 22, 2018: Psychological Medicine
Dona M P Jayakody, Peter L Friedland, Ralph N Martins, Hamid R Sohrabi
Age-related hearing loss (ARHL), presbycusis, is a chronic health condition that affects approximately one-third of the world's population. The peripheral and central hearing alterations associated with age-related hearing loss have a profound impact on perception of verbal and non-verbal auditory stimuli. The high prevalence of hearing loss in the older adults corresponds to the increased frequency of dementia in this population. Therefore, researchers have focused their attention on age-related central effects that occur independent of the peripheral hearing loss as well as central effects of peripheral hearing loss and its association with cognitive decline and dementia...
2018: Frontiers in Neuroscience
M M J Linszen, G A van Zanten, R J Teunisse, R M Brouwer, P Scheltens, I E Sommer
BACKGROUND: Similar to visual hallucinations in visually impaired patients, auditory hallucinations are often suggested to occur in adults with hearing impairment. However, research on this association is limited. This observational, cross-sectional study tested whether auditory hallucinations are associated with hearing impairment, by assessing their prevalence in an adult population with various degrees of objectified hearing impairment. METHODS: Hallucination presence was determined in 1007 subjects aged 18-92, who were referred for audiometric testing to the Department of ENT-Audiology, University Medical Center Utrecht, the Netherlands...
March 20, 2018: Psychological Medicine
James M Kates, Kathryn H Arehart, Melinda C Anderson, Ramesh Kumar Muralimanohar, Lewis O Harvey
OBJECTIVES: The performance of hearing aids is generally characterized by a small set of standardized measurements. The primary goals of these procedures are to measure basic aspects of the hearing aid performance and to ascertain that the device is operating properly. A more general need exists for objective metrics that can predict hearing aid outcomes. Such metrics must consider the interaction of all the signal processing operating in the hearing aid and must do so while also accounting for the hearing loss for which the hearing aid has been prescribed...
March 16, 2018: Ear and Hearing
Sho Kurihara, Masato Fujioka, Tomohiko Yoshida, Makoto Koizumi, Kaoru Ogawa, Hiromi Kojima, Hirotaka James Okano
Hearing research has long been facilitated by rodent models, although in some diseases, human symptoms cannot be recapitulated. The common marmoset (Callithrix jacchus) is a small, easy-to-handle New World monkey which has a similar anatomy of the temporal bone, including the middle ear ossicular chains and inner ear to humans, than in comparison with that of rodents. Here, we report a reproducible, safe, and rational surgical approach to the cochlear round window niche for the drug delivery to the inner ear of the common marmoset...
February 27, 2018: Journal of Visualized Experiments: JoVE
Olinda Timms
Soon after the Surrogacy (Regulation) Bill, 2016 was approved by the Cabinet for introduction into Parliament in 2016, it was submitted for review to a Parliamentary Standing Committee on Health and Family Welfare. The report of this committee, The 102nd Report on the Surrogacy (Regulation) Bill, 2016 was laid on the table of the Lok Sabha and presented to the Rajya Sabha on August 10, 2017. It contains hearings with stakeholders and witnesses and a review of relevant documents and related legislation. The comments of the Parliamentary Standing Committee are wide ranging and pertinent, seeking to fill the gaps and explain and rationalise the statute and includes responses from the Department of Health Research...
February 28, 2018: Indian Journal of Medical Ethics
Huanhuan Hu, Naoko Sasaki, Takayuki Ogasawara, Satsue Nagahama, Shamima Akter, Keisuke Kuwahara, Takeshi Kochi, Masafumi Eguchi, Ikuko Kashino, Taizo Murakami, Makiko Shimizu, Akihiko Uehara, Makoto Yamamoto, Tohru Nakagawa, Toru Honda, Shuichiro Yamamoto, Ai Hori, Chihiro Nishiura, Hiroko Okazaki, Teppei Imai, Akiko Nishihara, Toshiaki Miyamoto, Kentaro Tomita, Isamu Kabe, Tetsuya Mizoue, Naoki Kunugita, Seitaro Dohi
Introduction: We aimed to determine the prospective association of smoking status, smoking intensity, and smoking cessation with the risk of hearing loss in a large Japanese cohort. Methods: The cohort study included 50195 employees, who were aged 20-64 years and free of hearing loss at baseline. Participants were followed up for a maximum of 8 years. Pure-tone audiometric testing was performed annually to identify hearing loss at 1 and 4 kHz. Cox proportional hazards regression models were used to investigate the association between smoking and hearing loss...
March 14, 2018: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
Kelsey E Klein, Elizabeth A Walker, J Bruce Tomblin
The authors tested the hypothesis that children with cochlear implants (CIs) experience domain-general deficits in sequential learning. Twenty children with CIs and 40 children with normal hearing (NH) participated. Participants completed a serial reaction time task that measured implicit sequential learning. During random sequence phases, the CI group had significantly slower reaction times than the NH group. However, there were no significant differences in the rates of sequential learning between groups...
March 15, 2018: Ear and Hearing
Rogério M Pinto, Susan S Witte, Prema L Filippone, C Jean Choi, Melanie Wall
The U.S. Centers for Disease Control and Prevention (CDC) Diffusion of Effective Behavioral Interventions project has disseminated HIV behavioral interventions (EBIs) across the United States since the 1990s. In 2011, the CDC launched the High-Impact HIV Prevention (HIP) project, providing EBIs plus high-impact services (HIV testing, primary care, and support services). Providers (nurses, social workers, educators) are unable to consistently make linkages; thus, numerous at-risk individuals are not benefitting from HIP...
March 1, 2018: Health Education & Behavior: the Official Publication of the Society for Public Health Education
Agnes Leu, Corinna Jung, Marianne Frech, Joe Sempik, Urs Moser, Martin Verner, Saul Becker
BACKGROUND: In Switzerland, the issue of young carers and young adult carers - young people under the age of 18 and 24 respectively, who take on significant or substantial caring tasks and levels of responsibility that would usually be associated with an adult - has not been researched before. The number of these younger carers is unknown, as is the extent and kind of their caring activities and the outcomes for their health, well-being, psycho-social development, education, transitions to adulthood, future employability and economic participation...
March 15, 2018: BMC Health Services Research
Stéphanie Gamache, François Routhier, Ernesto Morales, Marie-Hélène Vandersmissen, Normand Boucher
BACKGROUND: Due to the ageing population and higher prevalence of individuals living with physical disabilities, there is a critical need for inclusive practices when designing accessible pedestrian infrastructures for ensuring social participation and equal opportunities. PURPOSE: Summarize the physical characteristics of current pedestrian infrastructure design for individuals with physical disabilities (IPD - motor, visual and hearing) found in the scientific literature and assess its quality...
March 14, 2018: Disability and Rehabilitation. Assistive Technology
Sébastien Santurette, Jakob Christensen-Dalsgaard, Lisbeth Tranebjærg, Ture Andersen, Torben Poulsen, Torsten Dau
Our auditory environment is constantly changing and evolving over time, requiring us to rapidly adapt to a complex dynamic sensory input. This adaptive ability of our auditory system can be observed at different levels, from individual cell responses to complex neural mechanisms and behavior, and is essential to achieve successful speech communication, correct orientation in our full environment, and eventually survival. These adaptive processes may differ in individuals with hearing loss, whose auditory system may cope via "readapting" itself over a longer time scale to the changes in sensory input induced by hearing impairment and the compensation provided by hearing devices...
January 2018: Trends in Hearing
J Löhler, O Wegner, B Wollenberg, R Schönweiler
OBJECTIVE: The Abbreviated Profile of Hearing Aid Benefit (APHAB) determines subjective impairment by hearing loss in four situations before and after hearing aid fitting. The first part (APHABu ) of the questionnaire can be used independently of hearing aid fitting. Previous research has demonstrated that the answers in the ECu subscale for hearing under easy conditions are concentrated in two groups: one with subjectively better, one with subjectively worse hearing. This study aimed to investigate in a large collective whether there are differences between these two groups in terms of age, gender, and individual hearing loss...
March 12, 2018: HNO
K Kshithi, S Vijendra Shenoy, M Panduranga Kamath, Suja Sreedharan, N Manisha, Meera N Khadilkar, Vikranth Kamboj, Jayashree S Bhat
OBJECTIVES: To compare the audiological profiles in postmenopausal women with and without osteoporosis and to study the pattern of hearing loss in osteoporotic patients. MATERIALS AND METHODS: 80 postmenopausal women were evaluated at a tertiary referral center and were divided into normal, osteopenic and osteoporotic based on BMD results. The hearing evaluation was done using PTA, Impedance audiometry and DPOAE and the results were compared between the groups and analyzed...
March 6, 2018: American Journal of Otolaryngology
Patrick S C D'Haese, Marc De Bodt, Vincent Van Rompaey, Paul Van de Heyning
The objectives of this study were to assess the factors which contribute to individuals' health motivation to address hearing loss and to gather baseline data that could then be used to measure the impact of an awareness campaign. An online questionnaire with 13 closed set questions was completed by 100 subjects in each country including Austria, Germany, France, Sweden, and the United Kingdom. The questionnaire was based around the Health Belief Model, which describes how, in order to take action to address a medical problem, the individual must perceive that the condition presents a threat to their well-being that exceeds any barriers to treatment...
January 2018: Inquiry: a Journal of Medical Care Organization, Provision and Financing
Iris E Sommer, Hidde Kleijer, Kenneth Hugdahl
PURPOSE OF REVIEW: Hallucinations are common and often stressful experiences, occurring in all sensory modalities. They frequently complicate many disorders or situations, such as Parkinson's disease, schizophrenia, hearing or vision loss, intoxications and delirium. Although psychoeducation, coping techniques and psychotherapy may be broadly applicable, they do not address a specific underlying brain mechanism. Pharmacotherapy may effectively alleviate hallucinations if the corresponding mechanism is present, whereas in its absence, may only cause harmful side effects...
March 9, 2018: Current Opinion in Psychiatry
Jens C Hegg, Jonathan Middleton, Ben Luca Robertson, Brian P Kennedy
The migration of Pacific salmon is an important part of functioning freshwater ecosystems, but as populations have decreased and ecological conditions have changed, so have migration patterns. Understanding how the environment, and human impacts, change salmon migration behavior requires observing migration at small temporal and spatial scales across large geographic areas. Studying these detailed fish movements is particularly important for one threatened population of Chinook salmon in the Snake River of Idaho whose juvenile behavior may be rapidly evolving in response to dams and anthropogenic impacts...
February 2018: Heliyon
José Ferreira Penêda, Nuno Barros Lima, Francisco Monteiro, Joana Vilela Silva, Rita Gama, Artur Condé
INTRODUCTION: Immune Mediated Inner Ear Disease (IMIED) is a rare form of sensorineural bilateral hearing loss, usually progressing in weeks to months and responsive to immunosuppressive treatment. Despite recent advances, there is no consensus on diagnosis and optimal treatment. METHODS: A review of articles on IMIED from the last 10 years was conducted using PubMed® database. RESULTS: IMIED is a rare disease, mostly affecting middle aged women...
March 7, 2018: Acta Otorrinolaringológica Española
Rebecca Susan Dewey, Deborah A Hall, Hannah Guest, Garreth Prendergast, Christopher J Plack, Susan T Francis
BACKGROUND: Rodent studies indicate that noise exposure can cause permanent damage to synapses between inner hair cells and high-threshold auditory nerve fibers, without permanently altering threshold sensitivity. These demonstrations of what is commonly known as hidden hearing loss have been confirmed in several rodent species, but the implications for human hearing are unclear. OBJECTIVE: Our Medical Research Council-funded program aims to address this unanswered question, by investigating functional consequences of the damage to the human peripheral and central auditory nervous system that results from cumulative lifetime noise exposure...
March 9, 2018: JMIR Research Protocols
Jenny L Singleton, Elena T Remillard, Tracy L Mitzner, Wendy A Rogers
PURPOSE: Technology holds great potential to support Deaf individuals as they age into older adulthood. However, it is unclear to what extent Deaf seniors are using technology in everyday life or whether they experience challenges in using technology. The current study explored technology use among older Deaf adults with regard to attitudes, adoption style, and frequency of use for a wide range of technologies, including assistive technologies (ATs) for persons with hearing loss and general, everyday technologies...
March 9, 2018: Disability and Rehabilitation. Assistive Technology
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