Articles tagged with Sound
A new Ohio State University study found that people can't completely ignore how someone looks or sounds, even when told to do so. This has implications for racial stereotyping, as participants were more careful to avoid showing bias when evaluating accents, but not when judging physical attractiveness.
A Cornell-led study reveals that sound combinations elicit emotionally intense responses, linking them to meaning. The research suggests that early humans may have used emotion to associate words with meanings, paving the way for language development.
Researchers at Toyohashi University of Technology have discovered that pupillary responses can objectively estimate English language processing abilities, including distinguishing sounds like L and R. This method shows promise for efficient studying and may become a new indicator of language ability.
A recent study found that the human brain processes speech with exceptional temporal fidelity, unlike other sounds. The researchers used millisecond-scale brain recordings to decode and reconstruct spoken words, discovering a unique time-locked encoding mechanism for speech.
Research at Goethe University Frankfurt reveals that both hemispheres of the brain contribute to speech control, with the left hemisphere handling fast processes and the right hemisphere controlling slower processes. This discovery challenges the long-held assumption that the right hemisphere only analyzes spoken words.
Research from Anglia Ruskin University's Vision and Eye Research Institute found that people with severe vision loss can less accurately judge the distance of nearby sounds. This impairment may put them at risk of injury in real-life situations.
A novel neural circuit has been discovered in rats that responds to the sound of silence, triggering defense responses. The study found that a specific combination of brain regions, including those involved in sound processing and emotional responses, are necessary for rats to freeze in response to silent danger.
Researchers at KAUST developed a cost-effective approach to detect red palm weevil infestation using laser pulses and optical fibers. The system can identify larvae as young as 12 days old and provide noninvasive, 24/7 monitoring of large-scale farms.
A study at the University of Gothenburg found that wind turbine noise influences people's perception of restorative effects of sleep and has a small but significant effect on dream sleep. Participants who lived near wind turbines reported worse sleep quality during quiet nights.
Research by Chris Meyer at Rensselaer Polytechnic Institute suggests that businesses with substantial human interaction or changing service offerings may not benefit from AI automation. In contrast, companies that limit customer choice and interaction are more likely to see success with AI technologies.
Researchers recorded 2,750 minutes of underwater sounds in five major river systems, identifying over 7,000 distinct sounds. Most were from unknown biological sources, while human-caused noise dominated the landscape, potentially harming aquatic ecosystems.
A study on Amazon road expansion projects found that implementing all proposed roads would lead to deforestation of at least 2.4 million hectares and 17% legal violations related to environmental statuses or indigenous rights. Focusing on the lowest-impact projects could generate $4 billion in net gain while avoiding significant losses.
A study by University of Alberta scientists found that sound and visual effects on slot machines make them more attractive and winning more memorable. The researchers discovered that people prefer to play on virtual slot machines with casino-related cues, regardless of the machine's risk level.
Researchers analyzed a massive corpus of spontaneous speech from French-English bilinguals, discovering that pronunciation is not a reliable indicator of linguistic proficiency. Contrary to stereotypes, many speakers often pronounce borrowed words in English-style, even when code-switching into their native language.
A study by LMU linguists reveals that language learners believe their own pronunciation is better than others', even when they make the same mistakes. This overestimation hinders progress in learning foreign languages, highlighting the importance of external feedback to improve skills.
Researchers developed an algorithm that uses first-order echoes from microphones to reconstruct a room's shape. The method is a theoretical problem but has potential applications in various fields, such as vehicle navigation and sound localization.
A study by RMIT University found that melodic alarms can improve alertness levels, while harsh alarm tones are linked to increased morning grogginess. The research suggests that the sound used to wake up could have important implications for people who need to perform at their peak soon after waking.
Researchers found that corrugated pipes can interfere with bat echolocation, causing them to become disoriented and abandon roosts. In a study, bats successfully navigated through tunnels with smooth pipes but struggled with those containing raised rings, leading to the conclusion that such spaces create significant difficulties for bats.
Researchers used a non-targeted approach to identify 64 previously unknown chemicals in Puget Sound, including pesticides and pharmaceuticals. The team found eight concerning chemicals at potentially hazardous concentrations that require further investigation.
Researchers at the University of Oregon have developed a new method to assess hearing by measuring pupil dilation, which is as sensitive as traditional testing methods. The approach has shown promising results in detecting sound in individuals who cannot respond, such as babies and young adults with developmental disabilities.
Research reveals people's understanding of sound judgment, distinguishing rationality and reasonableness. Laypeople grasp economists' view of rationality but favor socially pragmatic reasonableness as a separate standard. This study explores how the general public views rationality and reasonableness.
The Event Horizon Telescope's image reveals a silhouette of the massive black hole at the center of M87, a galaxy nearly 55 million light-years from Earth. The image is the result of over 200 scientists' collaborative efforts and has captured the minds of people worldwide.
A new study has identified areas in the US where investing in conservation today can save billions of dollars in potential future flood damages. The research found that acquiring and protecting lands with a high risk of flooding could prevent devastating losses.
A new Northwestern University study found that athletes across various sports have healthier brains due to enhanced processing of external sounds. Athlete brains minimize background noise, allowing for better sound recognition.
A researcher analyzed the frequency and acoustics of belching while speaking in 'Rick and Morty' to uncover latent linguistic meaning. The study found that burps tend to rumble at a low 300 hertz, jitter 4% more than normal speech, and shimmer 15% more.
A recent study explores how our brain fuses with musical rhythm and its relationship to spatial sound dimensions. Trained musicians' brains show stronger synchronization with rhythms, while untrained listeners also synchronize with the beat.
Researchers at Oregon State University have developed an effective method to use underwater robotic gliders to measure sound levels over broad areas of the sea. The gliders can conduct repeated surveys of a region, providing real-time measurements of changing noise levels and helping scientists track ocean sound pollution.
A new study by Norwegian University of Science and Technology finds that children who can recognize 19 letters are more likely to break the reading code. Parents can support their children's reading development by practicing letter sounds and encouraging independent reading.
New research from the University of Illinois at Chicago found that simultaneous masking significantly impacts care providers' ability to respond to medical alarms. The study, published in Human Factors, highlights the danger of hundreds of alarms daily being indistinguishable.
Researchers found that brain actively filters out background noise, with fluid outdoor sounds causing the largest effect on focus. The study uses wearable EEG technology to measure brain activity in different environments, paving the way for more realistic neurotechnology design.
A new study found that children with strong early reading skills in their native Spanish language performed better in reading English, even after controlling for English proficiency. This suggests that well-developed Spanish reading proficiency plays a greater role in English reading development than speaking English.
A study involving 20 participants found that manipulating graphemes affects brain activity in a specific visual region. This suggests the brain region processes written words for sound translation rather than meaning access, potentially explaining variations in reading abilities.
The new technology uses machine learning to analyze sound and vibration responses from a smartphone's built-in sensors. It achieved high accuracy in identifying everyday objects in various environments, paving the way for innovative object interaction applications.
Research found that vehicles and aircraft are the main culprits masking iconic natural sounds in peaceful national parks. The study analyzed nearly 47,000 hours of audio clips from 66 national parks, revealing that anthropogenic noise causes a ten-fold increase in natural background sound levels in over a third of parks.
Researchers found that background noise inhibits parasitoid flies' ability to locate cricket calls, suggesting a potential fitness cost for males trying to find mates. This altered soundscapes may influence the evolution of host-parasitoid relationships.
A University of Alaska Fairbanks study tested 297 subsistence-caught fish from Kotzebue Sound and found average mercury levels safe for unrestricted consumption. Only four individual fish exceeded the
Researchers from UNIGE found that harsh sounds between 40-80 Hz stimulate the brain's aversion networks, activating salience and pain centers. This explains why humans are drawn to these frequencies, which are also used in alarm systems.
A new study from the Journal of Marketing finds that firms' own social media posts surrounding customers' experiences can influence digital sentiment. Informational content offers a substantial means to improve customer sentiment in negative interaction event outcomes, increasing positive sentiment by nearly 20%.
The study reveals that auditory sensory gating filtering begins at the brainstem, contradicting earlier hypotheses. This finding has significant implications for understanding schizophrenia, a condition characterized by difficulty prioritizing and ranking sounds.
Researchers found that people perceive themselves as lighter when smelling lemon and heavier when smelling vanilla. The study suggests that technology could be used to develop new therapies or wearable technologies that utilize scent to enhance self-confidence.
Researchers at Champalimaud Centre for the Unknown discover a new psychophysical rule, Time-Intensity Equivalence in Discrimination (TIED), which links decision times to sound intensity. TIED is more stringent than Weber's Law, describing behavior with mathematical precision.
New evidence suggests that laugh tracks increase the perceived funniness of corny 'dad jokes'. The study found that spontaneous laughter has a greater effect on humor ratings than posed laughter, and this effect holds true for both neurotypical and autistic individuals.
Researchers found that infants as young as 10.5 months can recognize communication through variable sound sequences, leading to increased attention towards target shapes in interactions with agents. This ability may play a crucial role in language acquisition and social-cognitive development.
Computing scientists at the University of Alberta developed a methodology combining machine-learning algorithms to recognize depression using acoustic cues. The technology could lead to apps tracking mood indicators and providing support for individuals.
MIT researchers create a system to convert protein molecular structures into audible sound, allowing for the creation of new proteins with useful properties. The system uses artificial intelligence to study cataloged melodies and introduce slight changes, resulting in new protein designs.
Researchers developed a contactless cardiac arrest AI system using real 911 calls from Seattle. The algorithm detected agonal breathing 97% of the time from up to 20 feet away, and can function like an app on smart speakers or smartphones.
A new study by Concordia researchers found that parents with higher reading-related knowledge provide more praise and less criticism, helping their children's reading development. They also teach critical connections between graphemes and phonemes to aid in reading.
A study using functional magnetic resonance imaging (fMRI) revealed that humans are more sensitive to pitch than macaque monkeys. The human brain's auditory cortex is more responsive when comparing tonal sounds to equivalent noisy sounds, suggesting that speech and music may have shaped the basic organization of the human brain.
Researchers developed an AI method to recognize patterns in infant cries, enabling healthcare workers and parents to accurately determine a baby's needs. The algorithm uses compressed sensing to process noisy environments, allowing for independent use across various scenarios.
A new study by Brigham and Women's Hospital found that older women who took 4,400 steps per day had significantly lower mortality rates compared to those taking 2,700 steps per day. Risk of death continued to decrease with more steps taken, leveling off at around 7,500 steps per day.
A study from the University of Bath aims to address human error in cyberattacks by using technology inspired from exercise and fitness apps. Researchers plan to create a prototype that gently nudges users into changing their passwords, updating privacy settings, and locking screens.
Researchers found a surprising similarity between Nigerian drum sounds and the tapping of ripe watermelons. The team used pitch-pattern analysis to measure internal ripeness and quality, achieving an 60% level of efficiency. This innovative method utilizes traditional music elements to aid in everyday decision-making.
Researchers discovered that the right hemisphere plays a crucial role in processing foreign speech sounds at the beginning of language learning. Successful learners showed increased activity in the right hemisphere during sound recognition tasks. The study's findings have the potential to improve instructional methods for adult learners.
Researchers have discovered that the Sino-Tibetan language family, including Chinese and Tibetan, originated about 7,200 years ago in North China among millet farmers. This finding was made using a phylogenetic analysis of ancient and modern languages, revealing complex patterns of evolution and expansion.
A team of researchers has detailed the final fate of levitating Leidenfrost droplets, finding that smaller drops escape and larger ones explode violently. The study's findings suggest that contaminants play a crucial role in determining the droplets' behavior, with minute quantities having significant effects on their lifetime.
A new reading of the Mesha Stele suggests that biblical King Balak may have been a historical figure, based on high-resolution images revealing three consonants in the monarch's name. The name is now believed to be 'Balak', a king of Moab mentioned in the biblical story of Balaam, rather than the previously accepted 'House of David'.
A University of Michigan researcher has found that the mechanics producing wheezing and crackling noises with every breath are likely a cause of injury and inflammation. This new understanding could change how lung diseases are treated and represent a paradigm shift in doctor-patient interactions.
A large majority of participants associated 'aa' with more red and 'ee' with lighter color, regardless of synaesthesia. The study suggests that the vowel system of a language plays a crucial role in shaping color associations.
Researchers discovered that labiodentals, made by touching lower lip to upper teeth, increased dramatically in recent millennia following agriculture development. This finding suggests language is shaped by culturally-induced changes in human biology to a previously underrecognized extent.
A study by an international team led by researchers at the University of Zurich found that diet-induced changes in the human bite resulted in new speech sounds, contradicting the theory of a fixed range of human sounds. This shift allowed for the rise of labiodentals, such as the sound 'f', in modern languages.