Articles tagged with Ear
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A new study revises the origin story of freshwater fish, suggesting that oceanic fish invaded fresh water multiple times to develop improved hearing systems. The discovery was made using a newly discovered fossil fish with a Weberian apparatus, which allows it to hear sounds at high frequencies.
Dr. Anna Czarkwiani has received an ERC starting grant to study the biology of gravisensation, focusing on otoconia formation and restoration. She will use the axolotl as a model organism to explore the sense of gravity and develop new therapies for balance disorders.
Researchers adapted optical coherence tomography (OCT) to visualize tiny structures in the human inner ear, correlating fluid levels with a patient's degree of hearing loss. The findings may help clinicians diagnose and treat hearing loss more quickly and effectively.
Researchers at Karolinska Institutet have developed a method to track the development of cells in the nervous system and inner ear. The technique, known as ectoderm barcoding, reveals that cells in the inner ear develop from two main types of stem cells.
Researchers from the University of Göttingen have discovered a molecular 'spring' that triggers the opening of ion channels in sensory hair cells of the ear. The findings provide new insights into how hearing begins at the molecular level and shed light on the function of ion channels.
A study reveals how skateboarders utilize skatesound as a sensory aid and social cue, despite being aware of its noise. The research also highlights the inclusive nature of skateboarding for those with neurodiverse traits.
A new study published in Science Advances documents the first case of Down syndrome in Neandertals, named 'Tina', and reveals that they provided extensive care for a young child with severe hearing loss. The discovery sheds light on the existence of true altruism among Neandertals.
A study by Åsa Winzell Juhlin from the University of Gothenburg found that all participants over 90 had hearing loss, with 80% requiring hearing aids. The research emphasizes the importance of addressing hearing health in this age group for physical and mental well-being.
The American Academy of Otolaryngology has published a new clinical practice guideline for age-related hearing loss, which affects approximately 466 million people worldwide. The guideline provides evidence-based recommendations for identifying and managing ARHL in patients 50 years and older.
A recent study by Shinshu University researchers found that 1.62 per 1,000 live births have congenital deafness, with bilateral HL affecting 0.84% and unilateral HL affecting 0.77%. The main causes of these conditions were identified as hereditary factors and cochlear nerve deficiency.
Researchers at the University of Montana have found a novel method to generate human cartilage using neural crest cells. This breakthrough could lead to effective treatments for repairing craniofacial cartilage damage and improving the lives of 230,000 children born annually with craniofacial defects.
Research has shown that most people cradle babies in the crook of their left arm, as this allows for better sound quality and emotional connection. The theory suggests that this is because the heart is on the left side and humans perceive information faster with their left ear.
Researchers from IOCB Prague and MED-EL have created a complete computer model of the ear, allowing for detailed simulation of sound conversion and hearing processes. This model may help improve cochlear implants and better compensate hearing impairments.
The AAO-HNSF 2023 Annual Meeting & OTO Experience will feature groundbreaking clinical research and professional development emerging within otolaryngology. The meeting will showcase the latest scientific oral presentations on various topics, including Otology, Laryngology, Endocrine Surgery, and more.
Skateboarders possess a unique sensory knowledge of cities, which can help mediate conflicts between those who enjoy and those who dislike the sport's sounds. By paying attention to sound, individuals can gain 'sonic' agency over spaces in the city.
A new study reveals that mosquitoes use a specific receptor in their ears to modulate their hearing, which is crucial for reproduction and mating. This discovery could lead to the development of novel insecticides or mating disruptors to control mosquito populations and reduce human disease.
Researchers developed methods to emphasize higher-frequency components of bone-conducted speech signals, improving intelligibility in noisy environments. The study's findings have potential real-life applications in BC-type hearing aids and auditory augmentation.
A retrospective analysis of national data found that over 20 million Americans experienced loss of smell or taste after COVID infection, with a large portion never fully recovering these senses. The study estimated that almost 28 million Americans may be left with decreased sense of smell after COVID infection.
Researchers successfully demonstrate AAV vector efficacy in aged animal models, showing robust hearing rescue in mice with a mutation equivalent to a defective human gene. The study suggests that virally mediated gene therapy could potentially treat genetic hearing loss, especially for patients diagnosed at advanced age.
Provision of over-the-counter hearing aids associated with greater uptake of hearing intervention and improved patient quality of life. The study found that OTC hearing aids are cost-effective when prices exceed $55 per device.
Researchers develop bio-inspired microphones that detect specific signals without consuming a lot of energy or requiring supervision. These miniature sensors are ideal for hazardous or hard-to-reach applications.
Researchers created 3D-printed talking heads to simulate conversations and assess acoustic properties. The project aims to improve human hearing algorithms and develop more realistic listening experiences.
A nurse has shared her experience of developing sudden sensorineural hearing loss (SSNHL) after a mild COVID-19 infection. She highlights the importance of clinicians including SSNHL as a potential side effect of COVID-19 and recommends high-dose corticosteroids as treatment.
Researchers at Tel Aviv University recorded and analyzed plant sounds emitted under stress, identifying specific identifiable sounds. The study suggests that plants may communicate with other plants and animals through these sounds.
A new method for estimating sound direction using monaural cues has been proposed by researchers at Japan Advanced Institute of Science and Technology. The approach uses modulation in the frequency spectrum of the received signal to detect the signal direction, achieving accurate estimates even with human monaural hearing.
A study reports successful nonsurgical correction of congenital ear malformations in infants using a custom-made splint made from paper clips. The best results were achieved when treatment was initiated before six months of age.
Researchers from the University of Southern Denmark have found a correlation between traffic noise and the risk of developing tinnitus. The study, which analyzed data from 3.5 million Danes, suggests that exposure to high levels of traffic noise increases the risk of tinnitus by up to six percent.
A recent study published in Frontiers in Cell and Developmental Biology has found that the unique checkerboard pattern of cells in the organ of Corti is essential for proper hearing. The researchers discovered that when hair cells adhere to each other abnormally, it leads to apoptosis and a decrease in hair cell numbers, resulting in h...
A new study published in Frontiers in Medicine found that around 30% of people with long COVID experience a decreased sense of smell, with 29.9% reporting persistent anosmia after 12 weeks. Researchers also discovered an elevated prevalence of blurred vision and hearing-related symptoms after three months.
The American Academy of Otolaryngology-Head and Neck Surgery (AAO-HNS) has selected top research presentations for its 2022 Annual Meeting & OTO Experience. These include groundbreaking studies in otology, laryngology, endocrine surgery, and head and neck surgery.
Children born to mothers with polycystic ovary syndrome (PCOS) are at a higher risk of developing infections, allergies, and other childhood illnesses by age 13. The study found that children of mothers with PCOS were 32% more likely to be admitted to hospital for various health problems.
Researchers found that despite a powerful brain response to sound during sleep, the level of alpha-beta waves associated with attention and expectation is significantly reduced. This means the brain can analyze auditory input but fails to focus on it, resulting in no conscious awareness.
The ClearBuds earbuds use a novel microphone system and real-time machine-learning to enhance the speaker's voice and reduce background noise. They achieved better performance than Apple AirPods Pro in signal-to-distortion ratio tests.
The Collaborative Research Centre Hearing Acoustics is developing smart hearing aids that use artificial intelligence to adjust to different environments. The project, which aims to create more adaptable hearing devices, has received $8.1 million in funding for another four years.
A new study published in Drug and Alcohol Review found that binaural beats are being used as digital drugs by over 30,000 people worldwide, with users primarily seeking relaxation and mood change. The survey also revealed that binaural beat listeners are more likely to be younger and report recent use of prohibited drugs.
Researchers investigated whether COVID-19 led to a worsening of tinnitus symptoms, but found no significant difference in severity. Despite this, the pandemic can exacerbate anxiety and stress, potentially affecting individuals with tinnitus.
Nagoya University researchers have discovered how bird brains compute time differences between sounds reaching each ear to determine their location. This process relies on the clustering of nerve junctions in specialized dendrites dedicated to low-frequency sounds.
Researchers found that male mosquitoes beat their wings up to 500-1,000 times a second, changing frequency to produce 'distortion tones' more audible to the male ear. This change is partly due to their circadian clock and allows males to detect females in swarms.
A recent study published in Canine Medicine and Genetics found that French Bulldogs have a significantly higher risk of being diagnosed with 20 common health disorders compared to other breeds. The authors propose breeding towards more moderate characteristics to reduce these risks.
Researchers have identified specific bacterial interactions in disease-resistant children that protect against chronic middle ear infections. This discovery could lead to new treatments and preventative measures for Indigenous communities, which are disproportionately affected by the condition.
Researchers Boevé and Giot translated insect defense chemicals into sounds, measuring human reactions. The study found that the responses by ants and humans are correlated, indicating that sonification can approximate real-world predator-prey interactions.
A new study shows that a wearable computer vision device can reduce collisions for both people who are blind or those who are visually impaired and using a long cane and/or guide dog. The device was found to be 37 percent effective in reducing collision incidents, providing an additional travel safety measure.
Researchers found that losartan treatment reduced inflammatory signaling and swelling in vestibular schwannomas, preventing hearing loss. The drug also increased oxygen delivery to enhance the effectiveness of radiation therapy, potentially lowering radiation doses needed to control tumor growth.
A new study evaluates ecological legacies, archaeo-ecosystem restoration and Indigenous co-management practices in the Bears Ears region. The research found that dense concentrations of archaeological features had a higher diversity of culturally significant plant species, indicating people left behind plants as a living legacy.
According to a new study by Mass Eye and Ear, sleep disorders are associated with significantly higher health care utilization rates, resulting in an estimated $94.9 billion in annual costs. Patients with conditions like sleep apnea account for 60% more healthcare expenses, with nearly double the number of doctor visits and prescriptions.
New research reveals that people with hearing impairment experience abnormal binaural pitch fusion, which can lead to sound blending together and difficulties with understanding speech in noisy environments. This discovery suggests the possibility of targeted rehabilitation strategies to improve speech perception in noise.
According to a new study published in Pain, nearly one-fifth of American adults (20.5%) suffer from chronic pain, with significant impacts on workdays missed, social activities, and daily living. The total economic burden is estimated at nearly $300 billion annually, including lost wages and productivity.
Researchers at Tel Aviv University have connected a real locust ear to a robot that receives electrical signals and responds accordingly. The locust's ear detects vibrations in the air, allowing the robot to move forward or backward based on clapping sounds.
Researchers analyzed genes in over 34,000 people with glaucoma and found 44 new genetic variants that may lead to new treatment targets. The study's findings aim to improve screening and diagnosis of glaucoma, as well as develop new treatments for this incurable eye disease.
Tinnitus is a common hearing disorder affecting 7-8% of the population, causing irritability, depression, and even suicidal thoughts. Researchers review its pathophysiology, health impacts, and innovative engineering approaches to suppress its effects.
Researchers found that disrupting balance of gamma waves between hemispheres affects how brains integrate information from left and right ears. The study uses electric brain stimulation to manipulate interhemispheric connectivity, paving the way for new treatments for tinnitus and hearing loss.
Research reveals that brain hemispheres synchronize gamma waves to integrate auditory information, enabling us to hear a unified speech sound. Electric stimulation disrupts this synchronization, impairing the integration process and potentially leading to tinnitus.
The AAVCOVID vaccine program has received a $2.1 million grant to support phase I clinical trials overseas, with single-dose vaccines that can be stored at room temperature for up to one month. This stability could enable distribution in regions with limited infrastructure.
Researchers at Cold Spring Harbor Laboratory created an anatomical map of corn development by analyzing individual cells. This map will aid in breeding more sustainable crops with improved yields.
Researchers from ÉTS and IRSST developed new earplugs by understanding the relationship between ear canal shapes and earplug design. The study found that the 'first elbow' area of the ear canal is closely linked to noise attenuation, enabling the creation of more comfortable and effective earplugs.
A randomized controlled trial found no difference in infection rates and sinus symptoms between patients who received antibiotics and those who didn't after endoscopic sinus surgery. However, patients in the antibiotic group were more likely to report gastrointestinal side effects.
Several types of consumer-grade and modified masks showed high filtration efficacies, rivaling those of N95 respirators. The study evaluated the effectiveness of various mask designs, materials, and modifications to determine their ability to block airborne particles carrying SARS-CoV-2.
Professor Swanepoel's innovative research using smartphone technologies to provide equitable access to hearing healthcare services has been recognized with the prestigious Olusegun Obasanjo Prize. His work aims to improve 'ear and hearing care' in Africa, making it a reality for every African citizen.
Researchers developed a detector that mimics a mosquito's antenna to identify species and sex based on sound patterns. The bioinspired device uses machine learning and speech recognition tools to differentiate between species and sex, offering a potential tool for disease-carrying mosquito identification and selective pesticide use.
Hearing loss experts advocate for FDA regulation of over-the-counter hearing aids, citing barriers to access and the need for evidence-based products. The authors recommend premarket testing and clearer distinctions between hearing aids and wearable sound amplification products.