Articles tagged with Ear
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A new study published in Frontiers in Psychology found that cows are more relaxed when spoken to directly by a live human than when listening to a recorded voice. The researchers observed higher heart rate variability and lower heart rates after the live interaction, indicating improved mood.
A non-invasive device has reduced tinnitus symptoms by up to 1 year, achieving high patient satisfaction. The bimodal technique uses sound and low-voltage electricity to stimulate the ears and tongue, providing a potentially effective treatment for this debilitating auditory disorder.
Researchers developed an AI-based deep learning platform, DystoniaNet, to diagnose dystonia from brain MRIs with high accuracy. The platform detected cases of dystonia with 98.8 percent accuracy and identified a new microstructural neural network biological marker.
A Northwestern University research team developed a new theory that can predict the movement of an animal's sensory organs while searching for vital information. The theory, called energy-constrained proportional betting, provides insight into how animals gamble on energy expenditure to get useful information.
Dr. Joseph Arboleda-Velásquez will investigate genetic links to Alzheimer's resistance using a rare genetic variation that provided protection in a Colombian woman. The goal is to discover related drug and gene therapies for the devastating disease.
Chemical imaging modalities have helped reveal the Eyckian Lamb of God's hidden facial features, including v-shaped nostrils and forward-gazing eyes. A smaller, more naturalistically shaped body with a sagging back and rounded hindquarters has also been discovered, suggesting revisions to the original design.
Researchers mapped non-coding genome in maize during early developmental window to understand inflorescence differentiation. The study provides a roadmap for adjusting gene expression precisely to improve grain yield and ear traits.
In cluttered environments, bats use lowest broadcast frequencies to detect nearby objects and ignore distant echoes. By ignoring long-delay echoes elicited by initial broadcasts, bats can accurately match echoes with corresponding broadcasts.
A mouse study found that consuming black raspberries can reduce swelling caused by contact hypersensitivity, a condition that triggers redness and inflammation in the skin. The researchers believe that black raspberries modulate dendritic cells, which help regulate the immune system's response to allergens.
Researchers from GFZ GeoForschungsZentrum Potsdam found that the rotation of the Victoria microplate is controlled by the configuration of weaker and stronger lithospheric regions. They used 3D numerical models to compute the dynamics of the last 10 million years, showing a best fit with GPS-derived data.
Researchers at TU Wien and MedUni Vienna have developed a novel method for electric stimulation of the vagus nerve in the ear. A microanatomical study revealed the optimal placement of tiny electrodes to stimulate the nerve, resulting in effective pain relief. The triphasic signal pattern was found to be particularly effective.
A team of researchers at Friedrich-Alexander-Universität Erlangen-Nürnberg has developed a computer-based model to explain chronic tinnitus. The model is based on stochastic resonance, which amplifies white noise in the brain to compensate for hearing loss and increased nerve cell activity.
The AAVCOVID vaccine program uses adeno-associated viral (AAV) vector to deliver genetic sequences of the SARS-CoV-2 Spike antigen, inducing an immune response. The vaccine is currently in preclinical development with plans for clinical testing later this year.
The NHS is under fire for its handling of labor rights violations in the production of masks and gloves, with allegations of human exploitation and child labor emerging. The organization has faced criticism for its response to the issue, with some experts calling for a more proactive approach to addressing modern slavery in supply chains.
Research finds high levels of selenium in California's Sacramento-San Joaquin Delta fish, causing spinal deformities and affecting their ear bones. The study provides insights into how the fish encounter selenium, shedding light on potential management strategies.
Researchers at Princeton University have found a link between microbes and cancer in threatened Santa Catalina foxes, with ear mites and Staphylococcus pseudintermedius playing a key role. The study shows that a shift in the microbiome allows antibiotic-resistant infection to take hold, leading to chronic inflammation and tumor growth.
The university has received a grant to further develop the method, which measures small voltage changes on the surface of the skin inside the ear caused by electrical activity in the brain's neurons. The technology holds huge potential for research and applications, including characterizing hearing loss and exploring human sleep patterns.
Researchers at Cornell University and Virginia Tech found that shaking the head to free trapped water in the ear canal can cause brain damage in small children, due to acceleration of up to 10 times gravity. A solution using liquids with lower surface tension, such as alcohol or vinegar, may help remove water without causing harm
Only half of patients with sinus, throat, ear infections received recommended first-line antibiotics, a rate below industry standard. Retail clinics and emergency departments had higher rates, while urgent care centers lagged.
Researchers find that opsin proteins and retinal enzymes have independent biological functions beyond vision, including hearing. This discovery challenges current understanding of eye evolution and highlights the importance of molecular components in multiple sensory pathways.
Researchers used gene sequencing to discover new species, casting doubt on previously recognized species. The study aims to rewrite the horseshoe bat family tree, with implications for conservation and disease prevention.
A recent study revealed that Neanderthals had an exceptionally high frequency of external auditory exostoses, also known as 'swimmer's ear', in their remains. This suggests that they spent a significant amount of time collecting resources in aquatic settings.
Inflammation in the auditory cortex of mice with noise-induced hearing loss is associated with elevated proinflammatory cytokines and microglia activation, leading to tinnitus. Pharmacological blockade or depletion of these cells can prevent tinnitus in affected mice.
Bat species use self-generated Doppler shifts to detect prey motions and navigate, revealing new principles for sensory systems. The study found that pinna motion parallel to echo propagation maximizes Doppler shift, providing information on echo source direction.
A recent genetic study published in Genes journal found no detectable common DNA between domestic and wild Australian dogs, contradicting myths that kelpies originated from dingos. The research characterized gene variants of both kelpie types and compared them with those in sequenced Australian dingoes.
A UC Riverside study challenges long-held assumptions about gossip, finding that younger people gossip more negatively than older adults, while extraverts gossip far more frequently than introverts. The study also reveals that women gossip more in neutral conversations with friends, contradicting popular 'best habits of the rich' books.
Researchers at Mass Eye and Ear have identified microglia as gatekeepers that orchestrate inflammatory responses in the retina during autoimmune uveitis. By depleting microglia, disease was completely blocked, suggesting a novel therapeutic target for this devastating eye disease.
A genomic study of a 1980s hospital outbreak in Wisconsin reveals how Enterococcus faecalis bacteria adapts to the modern hospital environment and causes repeated antibiotic-resistant bloodstream infections. Researchers identified mutations that allow the bacteria to resist antibiotics and develop new strategies for prevention and trea...
A team of scientists led by Paula McSteen identified a new gene called barren stalk2 (ba2) that affects the development of axillary meristems in corn plants. The ba2 gene interacts with another gene, barren stalk1 (ba1), to regulate ear formation.
A study led by City University of London researchers suggests that people with 'visual ears' may have a disinhibited flow of signals around the brain, allowing them to hear silent flashes or movement. Musicians were more likely to report experiencing visual ear than non-musicians.
Researchers developed a biomaterial called GelCORE that can seal cuts or ulcers on the cornea and encourage regeneration of corneal tissue without surgery. The technology uses light-activated chemicals and has shown promising results in preclinical studies.
Researchers found seven cases of surfers' ear in males and one in a female skull from sites near the Gulf of Panama. The bony growths are believed to be caused by cold water or stress in the ear canal, similar to bone spurs.
A research team from Massachusetts Eye and Ear discovered a new mechanism by which the immune system protects itself against bacteria inhaled through the nose. The 'exosome swarm' process involves tiny fluid-filled sacs that directly attack bacteria and shuttle protective antimicrobial proteins along the airway to protect other cells.
A study by Massachusetts Eye and Ear found that astronauts or pilots with higher vestibular thresholds are more likely to become disoriented during flight. The researchers also found a strong correlation between lower vestibular thresholds and improved manual control performance.
Research by University of Sydney reveals a link between chocolate Labrador coat color and reduced longevity, as well as higher rates of ear infections and joint conditions. The study also found that 8.8% of UK Labradors are overweight or obese.
Dartmouth's research projects demonstrate innovative thinking and technical skills essential for developing next-gen wearables. The lab developed a battery-free energy harvester, a novel conductive system for smartwatches, and self-powered gesture recognition using ambient light to power devices.
A field study found that exposure to eyes increases donations by an average of $0.01 per patron, with a significant increase of $12 per week. The presence of eyes enhances people's reputational concern and motivates self-presentational behaviors.
Researchers found that male mosquitoes amplify female wingbeats using a phantom tone, creating an auditory illusion that helps them locate mates. The study's findings could lead to the development of acoustic lures for controlling disease-carrying mosquito populations.
A study of 173 patients who underwent rhinoplasty found that only two refilled their opioid prescriptions, suggesting that pain management may not require as many opioids as previously thought. Facial plastic surgeons are now reducing opioid prescriptions by at least 50% to limit the potential for abuse.
A team of researchers from the University of Illinois has developed a new method for canceling noise without requiring ear-blocking headphones. By using wireless IoT networks, they can sense sounds and send them to an earpiece with enough time to produce a better anti-noise signal, effectively canceling out external sounds.
Researchers discover immune cells in eye contribute to progressive vision loss from glaucoma. Elevated eye pressure triggers autoimmune response attacking neurons, leading to optic nerve degeneration and permanent vision loss. The findings offer a promising new target for future therapies.
Researchers at Rutgers University suggest that nacreous clouds with iridescent colors may have inspired the iconic red-and-yellow sky in Edvard Munch's The Scream. The study provides a detailed analysis of cloud patterns and color content in relation to volcanic sunsets, potentially linking Munch's painting to these atmospheric phenomena.
The Bertarelli Foundation has announced a new investment of $6.35 million in Harvard Medical School's Translational Neuroscience and Neuroengineering program. This gift will support collaborative research projects focused on understanding and treating sensory disorders, including deafness, blindness, and pain.
Researchers confirm that quality conversations are linked to greater happiness, but find small talk has no relationship with happiness. The study's results hold true for both introverts and extroverts, contradicting previous findings.
Researchers at Mass Eye and Ear found that microglial cells rapidly migrate into the injured retina, forming close connections with infiltrating immune cells and removing injured photoreceptors. This protective role of microglia may suggest a new therapeutic avenue for preserving photoreceptors after retinal detachment.
A study of 140,000 people identified 133 genetic variants that could help predict the risk of developing glaucoma. These genetic markers can be measured as early as birth and may allow for earlier diagnosis and treatment.
Researchers use virtual reality to study sound perception in immersive settings, revealing variability in brain processing of spatial cues. The technology holds promise for developing more accurate diagnoses of auditory disorders and enhanced audio experiences in video games.
Researchers have identified mifepristone, an FDA-approved drug for chemical abortion, as a promising candidate for treating vestibular schwannoma. The study found that treatment of the tumor cells with mifepristone reduced their proliferation rate by 80 percent.
Researchers found that humans can efficiently localize sounds when moving, using auditory motion parallax to estimate relative distances. This mechanism is particularly useful in noisy environments and allows for improved sound discrimination.
Researchers found that the brain's auditory cortex does not solely represent acoustic environments but also incorporates perception. Custom ear molds disrupted participants' elevation perception, revealing different responses to sounds between sessions, indicating a dynamic relationship between sensory encoding and perception.
A large-scale research analysis found that sea bathing doubled the odds of reporting general ear ailments and increased the risk of gastrointestinal illnesses by 29%. The study suggests pollution is still an issue affecting swimmers in high-income countries like the UK.
Researchers at Auburn University discovered that both children and adults rely more on their right ear for processing information in noisy environments. The study found that when cognitive demand increases, the right-ear advantage persists in mature auditory systems.
A recent study has created the first atlas of head and neck cancer, revealing the unique structural transition involving cancer cells and normal cells that allows tumors to spread. This finding may have implications for other common cancers as well.
A landmark study by Australian-Italian researchers shows that oscillations, or 'strobes', are a general feature of human perception. This discovery has profound implications for understanding human behavior and decision-making.
A new imaging machine developed at the University of Illinois estimates the number of kernels per ear and provides detailed information about each kernel's shape, size, and location. The technology has the potential to revolutionize plant breeding and genetic research by enabling high-throughput phenotyping.
Researchers developed a wearable device called VAuth that creates a unique and secure signature using speech-induced vibrations on the user's body. The technology has achieved a 97-percent detection accuracy and successfully thwarts various practical attacks, making it a promising solution to enhance voice authentication security.
A new report by Coventry University academics suggests that children with reading difficulties should be thoroughly screened for hearing problems. The study found 25% of young participants with reading difficulties had mild or moderate hearing impairment, which their parents and teachers were unaware of.
A new study has identified potential lipid biomarkers in human blood plasma associated with age-related macular degeneration, which may lead to earlier diagnoses and better treatment options. The study's findings also suggest that metabolomics profiling may provide novel insights into the relationship between lipids and AMD.
Researchers found that chronic tinnitus is associated with changes in certain networks in the brain, leading to increased attention and reduced rest. The study provides hope for future treatment options and validates patients' experiences.
A new study published in PNAS identifies two key compounds that can reduce the severity of age-related macular degeneration (AMD) by regulating inflammatory immune cells. The findings have significant therapeutic implications for AMD and other conditions involving angiogenesis and inflammation.