Articles tagged with Sound
An international team has compiled the largest library of bat sounds, allowing researchers to accurately identify and differentiate between 59 bat species found in Mexico. The developed method can be used to monitor biodiversity change and characterise bat communities in different regions.
A study published in Psychological Science found that humans are often driven by a desire to resolve uncertainty, even if it leads to harm. The researchers used experiments to demonstrate that individuals will click on pens with uncertain outcomes more frequently than those with clear consequences.
Research reveals that bilingual babies exhibit stronger brain responses to speech sounds compared to monolingual peers. Bilingualism is shown to shape cognitive development and improve executive function skills, with babies displaying sensitivity to both languages from 11 months of age.
A new UCLA psychology study suggests that the brain combines sound and vision using different mechanisms, which can influence how well people perform tasks. Researchers found that people's vision frequently influences their hearing when trying to identify specific locations of sounds and flashes of light.
A study found that marathon runners with 'salty' sweat had lower electrolyte levels in their blood despite proper hydration and nutrition. This suggests that sweat electrolyte concentration can impact physiological conditions during long-distance events.
A study by the University of Geneva found that excessive noise disrupts premature babies' tactile skills, hindering their ability to memorize shapes and distinguish between objects. The researchers suggest implementing environmental measures to reduce noise levels in neonatal units to support optimal brain development.
Researchers developed a wearable device that tracks caloric intake by recording sounds made while eating. The AutoDietary necklace accurately identifies foods 85% of the time, holding promise for managing conditions like diabetes and obesity.
Researchers found that consuming loud noises while eating can mask sound cues that naturally limit food intake, leading to increased consumption. The 'Crunch Effect' suggests being more aware of food sounds can help individuals eat less.
University of Utah researchers discovered how certain brain cells compute sound length and detect short sounds. The study found that for a frog brain cell to recognize a short sound, it is inhibited from firing while the sound occurs, then excited into firing when the sound ends.
Researchers are testing SPI-1005, an oral drug containing ebselen, as a potential treatment for bipolar disorder. The treatment has shown promise in addressing the lack of effective options for patients with this condition.
Researchers found that varnish increases damping throughout the wood surface, leading to a more isotropic sound radiation. The type of varnish used can also affect the sound, with German master violin makers' varnishes producing a louder tone.
Researchers found that each smaller group of herring varied out of sync with others, but their collective diversity helped stabilize the population. This 'local matters' perspective highlights the importance of protecting local diversity in ensuring overall sustainability of the resource.
Researchers used advanced calcium imaging to monitor neural activity in zebrafish brains, showing the tectum responds to multiple stimuli like sight, sound, and water flow. This discovery suggests a unified sensory view for both humans and fish, improving understanding of human sensory perception.
A new study published in Nature Communications demonstrates that the fear of large carnivores can have cascading effects on the food chain and restore ecosystems. The researchers found that instilling fear in raccoons reduced their time spent feeding and reversed their impacts on their prey, leading to a healthier ecosystem.
A randomized controlled trial found that threatening to lose a reward is more effective than earning one in increasing physical activity among overweight and obese adults. The study also suggests that the way financial incentives are framed is important to their effectiveness.
Researchers at Mayo Clinic have discovered that apraxia of speech can evolve into a neurodegenerative disease, causing significant difficulties with speech, movement, and daily activities. Early diagnosis and therapy are crucial to develop compensations for producing sounds and improving communication.
Research by Marketing Professors Derick F. Davis, Rajesh Bagchi, and Lauren G. Block found that alliterative promotional messages facilitate quicker processing, leading to increased sales and preference among consumers. The study also demonstrated that altering message components can boost sales without lowering prices.
Researchers at the University of British Columbia found that adding flashing lights and music to a 'rat casino' model led to problem gambling behavior in rats. Blocking a specific dopamine receptor corrected this behavior, suggesting a common biological cause for risky decision-making across vices.
Snapping shrimp sound patterns show seasonal variations, with more snaps per minute during summer and fewer during winter. The research highlights the importance of long-term acoustic sampling in understanding marine soundscape ecology.
A University of Iowa study found that babies made more speech-like sounds during book reading than during puppet play or toy play, and mothers were more responsive to these sounds while reading. This interaction is crucial for language development in young children.
A team of astronomers has discovered that up to 60 percent of stars host strong magnetic fields, which can significantly alter the physical processes taking place in the core. The researchers used asteroseismology to detect these hidden fields and found that they are prevalent in intermediate mass stars.
Seniors struggle to process multisensory information, affecting tasks like driving and balance. Training methods, such as video games or brain stimulation, may help improve perceptions of time in older adults.
A new UCL study found that concentrating attention on a visual task significantly reduces brain response to sound and increases failures to detect audible sounds. This phenomenon, known as inattentional deafness, has serious implications for everyday life and tasks requiring focus, such as operating theatres or driving.
A study by McGill University researchers reveals that early exposure to a language shapes the brain's ability to process sounds from a second language later in life. Brain imaging showed that children who were adopted into French-speaking families and no longer spoke Chinese still had brains processing language similarly to bilingual c...
The study reveals that both humans and monkeys have a common brain area that recognizes the orderliness of sound sequences, suggesting evolutionary origins of cognitive functions underlying language. This knowledge may help understanding how we learn and lose language, such as in aphasia after a stroke or dementia.
A study published in Frontiers in Human Neuroscience found that listeners' pupils dilate in response to emotional music, reflecting both the music's content and the listener's personal connection. The research used eye trackers to measure pupil size while participants listened to short music excerpts from the Romantic era.
A new portable device called HeartBuds detects sounds inside the body as well as traditional stethoscopes, while also being more sanitary. The technology has been shown to perform just as well as expensive stethoscope models in detecting heart murmurs and carotid bruits.
A new smartphone-compatible listening device, HeartBuds, has been shown to work as well as widely used FDA-approved traditional and digital stethoscopes in identifying heart murmurs. The study also found that the disposable stethoscope performed poorly on detecting abnormal sounds, making it a less reliable option.
Disney researchers developed mobile apps that add computer-generated animation, sound, and visuals to traditional activities like coloring books, scavenger hunts, and team games. The apps aim to create a seamless fusion of the real and virtual worlds, promoting creative play and exploration.
Researchers at the University of Rochester found that humans can detect and process sound delays as short as 40 milliseconds to fine-tune visual distance estimates. Participants consistently perceived shapes paired with delayed clicks as more distant, even when they were not, suggesting an unconscious link between sound delays and visu...
Researchers discovered that intrinsic neural connections can be used to help the blind detect their environment, making tasks easier and more intuitive. The study used a sensory substitution device to translate images into sound, allowing blind people to associate different sounds with features of their environment.
Scientists mapped the thalamus circuitry that may be involved in neurological disorders such as autism, ADHD, and schizophrenia. The study found that inhibitory neurons in the thalamus play a critical role in filtering out distractions.
A study published in Nature found that the thalamic reticular nucleus (TRN) plays a crucial role in multitasking by filtering out distracting sensory information. The TRN acts like a switchboard, continuously filtering sensory input and shifting attention to one sense while blocking out others.
A new study suggests that geoduck farming in central Puget Sound could have significant impacts on the food web if farming activities increase by 120 percent. The equipment used to farm geoducks, including PVC pipes and nets, may have a greater impact than the addition of the clams themselves.
Native ASL signers acquire intonation in three stages: appearance, reorganization, and mastery. Young signers use certain features with different frequencies than adults.
Infants at 4 months old can associate words with objects, suggesting early knowledge of language's relation to the world. This ability is crucial for language acquisition and learning about surroundings.
Researchers have identified a condition called aphantasia, where individuals are born without the ability to visualize images. This affects not only memory but also sense perception, leading to difficulties in recalling experiences and emotions.
A computer game was used to investigate how people respond to audiovisual distractions, finding that age didn't affect susceptibility. The game helped researchers collect data on attention and learning from irrelevant sounds, with potential applications as a training tool.
Researchers at North Carolina State University have developed an algorithm that can assess the onset time, pitch and magnitude of wheezing sounds to provide healthcare professionals with information about lung condition. The algorithm is effective regardless of patient size and can handle breathing pattern variability.
Researchers have developed a web-based tool allowing everyday people to record and submit speech errors, including 'tip-of-the tongue' states, slips of the tongue, and malapropisms. This crowdsourced database aims to provide new insights into language acquisition, production, and perception.
A Northwestern University study found that music training during high school can enhance the teenage brain's responses to sound and sharpen hearing and language skills. The research suggests that music instruction helps improve critical skills for academic success, potentially offsetting negative influences of poverty on sound processing.
A UCLA study found that the Sound Body Sound Mind curriculum tripled the percentage of students who passed California's standardized physical fitness test in under-resourced schools. The program increased students' confidence levels, enjoyment of physical activity, and knowledge about fitness.
Researchers developed a simple system to automate music genre categorization by focusing on just pitch, tempo, and amplitude variation patterns. The approach uses random sample consensus (RANSAC) as a classifier and demonstrated accuracy in seven major musical genres.
Researchers found that songbirds rely on patterns in much the same way as people do when learning to recognize and categorize speech sounds. By training starlings to differentiate between complex auditory patterns, the study showed that birds can learn to categorize motifs into meaningful categories.
Researchers found that American employees who experienced a sudden boost in status due to a language mandate felt mixed emotions, including happiness and fear. They knew their status was not tied to their performance or achievement, leading to feelings of instability and lack of control. This study highlights the complex nature of stat...
Researchers at Northwestern University discovered that a sleep-based intervention after training can significantly reduce implicit social biases. The study, published in Science, found that participants who received the intervention showed stronger bias reduction one week later. The findings challenge traditional views on habit learnin...
Researchers aim to identify annoying features of wind power plants from people's experiences in Finnish climatic conditions. A real-time feedback system and statistical models will be used to model the formation and dissemination of sound.
Scientists at Duke University have discovered a brain region that integrates the timing of speech, a crucial element of spoken language. The superior temporal sulcus (STS) became active during speech quilts with longer segments, suggesting it plays a key role in processing speech rhythms.
Researchers found that 6-month-old infants prefer listening to infant sounds over adult sounds, which could aid in learning how to talk. This preference may also help infants develop their own voice, a crucial step in speech production.
Researchers found that toddlers, especially those with siblings, understand the behavioral effects of different types of sound on others. Children made loud noises to wake up the doll and quieter noises to let it sleep, showing they understood how their sounds influenced social interactions.
Research by UIC Business found that servant leaders create a culture of trust, caring, cooperation, fairness, and empathy, leading to improved teamwork, loyalty, and dedication. This approach helps employees reach their full potential, driving business effectiveness.
A new study has found that high-pitched sounds can cause seizures in older cats, with certain breeds and triggers identified. The study, published in the Journal of Feline Medicine and Surgery, reveals that audiogenic reflex seizures (FARS) occur in pedigree and non-pedigree cats, often triggered by loud noises such as crinkling tin fo...
Researchers captured thousands of interactions within a single neuron as it responded to rhythmic clicks, showing how neurons switch from temporal coding to rate coding. This transformation allows the auditory system to process information about time and space, supporting multisensory integration.
The study developed a method enabling dialogue replacement for automated video redubbing, utilizing facial movements associated with speech sounds. The approach produced far more plausible alternative word sequences than conventional methods.
A new study found that sound, light, and temperature levels in pediatric hospital wards vary greatly, leading to sleep deprivation and impacting disease recovery and quality of life. The research highlights the need for consistent clinical standards to be developed to improve children's experience and quality of life.
Researchers used MRI to observe the effects of knuckle cracking on joint cavities, finding a rapid gas-filled cavity formation. The study's findings may pave the way for new research into the potential therapeutic benefits or harms of joint cracking.
Echoes and fluctuations in volume are key cues for judging sound distance, a finding that opens up new possibilities for improving hearing aids and prostheses. Researchers used tiny microphones to record rabbit sounds and simulated modulated noise, measuring neural responses in the midbrain.
Recreational anglers' understanding of rockfish biology and fishing practices influences their views on conservation. Education plays a crucial role in garnering long-term support for rockfish recovery.
Elephant soundscapes tested for effectiveness in deterring night-time raids on farmland in southern India, with results showing 90% success rate using tiger sounds and 73% using leopard sounds. The study's findings suggest a potential solution to the growing problem of human-elephant conflict in agriculture.
Scientists have observed two large coronal holes on the sun, with one covering about 6-8% of the total solar surface and another 0.16%. These regions can emit fast solar winds that affect Earth. The unique magnetic fields in these areas extend far into space.