Articles tagged with Speech
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Scientists have identified a specific region of the bird brain linked to stuttering patterns, using zebra finches as a model system. A simple pharmacological treatment can stimulate rapid firing in this area, inducing stuttering-like patterns that resemble human speech dysfunctions.
Researchers equipped a Pepper robot with self-directed dialogue to facilitate better human-robot communication. The AI model improved the robot's ability to solve dilemmas and outperformed international standards for collaborative robots. By
Researchers create an approach to flexibly interpret and respond to Soldier intent derived from spoken dialogue with autonomous systems. The technology enables bi-directional conversational interactions between Soldiers and autonomous systems, allowing for hands-free operation to improve situational awareness.
Researchers developed a wireless implant to rapidly change adult songbirds' songs, expanding the toolbox for neuroscientists to study brain behavior and vocalization. The device, about the size of a dime, can modulate specific neurons during birdsong, causing pitch changes.
Researchers at City St George's, University of London, found that consumers view activist brands critically if they lack moral sensitivity, vision, and integration. To avoid being labeled as 'woke-washers', brands must demonstrate these traits when challenging free speech.
A recent study found that bilingual infants have a strong preference for infant-directed speech in their native language, while monolinguals also respond more strongly. The research, involving hundreds of babies from around the world, suggests that language familiarity plays a key role in shaping infant language development.
A recent study found that bilingual babies have a similar interest in infant-directed speech as monolingual babies, and are developmentally on track. The study showed that exposure to one language does not hinder the learning of another, and that parents can confidently babble to their babies in one or two languages.
Researchers created a tool that uses light reflection analysis to identify deepfake photos, achieving 94% accuracy. The technique exploits differences in reflected light patterns between real and fake images, providing a promising solution to combat deepfakes.
Researchers at Carnegie Mellon University tested AI-powered hate speech detection software on over 680,000 chess comments and found that 82% of flagged comments did not contain hate speech. The study suggests that words like 'black' and 'white' are triggering phrases for the classifiers.
A team of researchers at Carnegie Mellon University found that people are more successful at identifying language associated with Republican speech than Democratic speech patterns. The study used machine learning to scan the Congressional Record and presidential debate corpora to isolate linguistic variation between the two parties.
Scientists identify a unique voice prosody pattern associated with honest speech, recognized across languages and influencing memory recall. The study, published in Nature Communications, reveals how brain automatically processes this characteristic sound to convey truth-value or certainty.
A study by Bocconi University argues that the US Supreme Court's 'free market of ideas' metaphor is misleading due to concentrated platform power. The authors suggest framing Internet regulation around this concept to address issues like content moderation and user protection.
A University of Miami study found that a soft food diet can reshape language by changing how people speak and pronounce sounds. The research analyzed thousands of languages and the speech patterns of 10 celebrities, including Freddie Mercury and Michael Phelps.
A new study suggests that a bedside EEG test can aid in prognosis for unresponsive brain injury patients by measuring their response to speech. The strength of these responses is correlated with the patient's outcome and can help clinicians make effective treatment decisions.
Researchers found that disposable surgical masks provide the best acoustic performance among tested masks, reducing high-frequency sound muffle and allowing speech to be heard clearly. Loosely woven cotton masks also perform well but may not block respiratory droplets as effectively.
Researchers found that acetylcholine, a neuromodulator, enhances neural discrimination of tones from noise stimuli, potentially contributing to processing important acoustic signals like speech. The study also identified novel connections between the modulatory centers and the auditory system.
Researchers found that listeners can accurately identify regional dialects and racial backgrounds from audio clips of English speakers. The study used 144 unique audio clips to categorize speakers into Midland, New York City, Southern U.S., Asian American, Black/African American, or white groups.
Researchers found that surgical and N95 masks can minimize negative effects on speech intelligibility, making them ideal options for instructors. By wearing these types of masks, educators can help students understand speech more effectively while ensuring their own safety.
Researchers explored the impact of eye position on speech intelligibility within a cocktail party setting. They found that performance was best when eye fixation was on target and suffered when off target.
Despite excellent auditory capacities, dogs fail to attend to differences between words with single speech sound variations. This may be why dogs' learned vocabulary remains low throughout life. Brain activity studies show dogs quickly differentiate known from nonsense words but not those differing in just one sound.
Researchers have developed a machine learning model that analyzes speech and facial movements to diagnose strokes with high accuracy, potentially saving valuable time in diagnosing the condition. The tool was tested on over 80 patients and achieved 79% accuracy comparable to clinical diagnostics by emergency room doctors.
Researchers discovered that speech generates conical airflow that can travel up to 2 meters in 30 seconds, emphasizing the importance of time and distance in transmission. Saliva filaments form on the lips during consonant sounds, breaking into microscopic droplets that spread pathogens.
A study by Kansas State University analyzed nearly 2 million congressional speeches and found that politicians use simpler language and express more positive or negative sentiments. The analysis also showed a decrease in reading level and vocabulary over time.
A new study reveals that dog brains, like human brains, process speech in a hierarchical manner, with intonation processed at lower stages and word meanings at higher stages. The research used functional MRI to measure brain activity in awake dogs while they listened to praise words and unknown neutral words in different tones.
A study of 90 participants found that watching a magician perform a card trick resulted in unconscious decisions influenced by verbal and nonverbal primes. The results suggest that embedding priming within speech and gestures can shape decision-making processes.
A new USC study has created a hate speech classifier that is more context-sensitive, reducing errors that amplify racial bias. The algorithm considers context and specific features of hate speech to improve accuracy.
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.
Researchers found chimpanzees produce lip-smacks at a speech-like rhythm of 4.15 Hz, confirming the existence of a continuous path in the evolution of primate mouth signals with this rhythm. This discovery supports the theory that spoken language evolved from existing primate communication systems.
Researchers found that participants synchronized their arm movements with those of the vocalizer, even with subtle and hard-to-detect movements. The study suggests that musculoskeletal tensioning affects speech, allowing for communication cues like excitement to be perceived through gesture-induced acoustics.
Researchers at Penn State developed a public-speaking tutor on Amazon Alexa, which helps users recognize and modify negative thinking behaviors. The study found that the tutor eased pre-speech anxiety in participants.
Research suggests that asymptomatic individuals infected with coronavirus can produce aerosolized particles during normal speech, potentially transmitting the infection. The study highlights the importance of collaboration among aerosol scientists, virologists, and engineers to understand respiratory diseases like COVID-19.
A new study from University of California, Riverside, found that Donald Trump's racially inflammatory speech emboldened particular members of the public to express their prejudices. Exposure to such rhetoric made individuals feel more comfortable expressing their prejudice, while silence from other elites gave the impression that a nor...
A University of York study reveals that community question answering sites like Yahoo! Answers are plagued by hate speech and Islamophobia when discussing terrorism. The research found sensitive questions were more likely to be submitted anonymously and loaded with negative emotions.
Researchers used CT scans and 3D printing to recreate the vocal tract of a 3,000-year-old Egyptian mummy, producing a single sound that falls between 'bed' and 'bad'. The achievement has implications for understanding past voices and presentation in the present.
Researchers developed an AI system to analyze hundreds of thousands of comments on social media, identifying positive comments defending disenfranchised minorities. The system can reduce manual efforts to find these 'help speech' comments by up to 88%.
Researchers found that brain activity in healthy adults synchronized with sound waves produced by a silent woman speaking, indicating the brain can process auditory information from visual cues. This ability arises from visual cortex activity synchronizing with lip movement and signal transmission to other areas for sound synthesis.
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 Yale study reveals that hiring managers judge candidates' competence and fitness for a job based on socioeconomic position inferred from brief speech patterns. The study shows that these snap perceptions influence hiring decisions in ways that perpetuate inequality.
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.
Researchers have developed a new method for ensuring quality in automatic voice recording, reducing error rates down to 2% and allowing for real-time processing. The algorithm assesses pronunciation stability and displays a color chart showing the dependence of speech quality on time.
A study of 50 children with cleft lip and/or palate found that internationally adopted children exhibited more speech difficulties at age five. The delay in surgical interventions may be a contributing factor, as well as potential complications such as palatal fistulas and hearing loss.
Researchers found that replacing politically correct language with incorrect words makes people view a speaker as more authentic and less likely to be swayed by others. This phenomenon applies across the political spectrum, with both liberals and conservatives being influenced by it.
A new study published in First Monday found that Gab users with substantial followings control a larger share of content compared to Twitter. The researchers discovered that Gab users' content is more homogeneous and linguistically homogeneous, often sharing political topics and far-right news websites.
Babies shape their own learning environments through babbling, influencing parents' speech to use simpler words and shorter sentences. Infants who receive more learning opportunities from their mothers are faster learners of new speech sounds.
Research at Max Planck Institute for Psycholinguistics found that slight variations in vocal tract anatomy impact vowel pronunciation, while cultural transmission amplifies these differences. This study sheds light on individual variation in speech and its role in shaping languages.
A study of hundreds of basketball half-time speeches found that negative coaches' emotions at halftime led to higher scores in the second half. While expressing positive emotions can motivate, negative emotions can also drive performance, but only up to a point.
Researchers created a thin, skin-like artificial throat that can convert throat movements into sounds. The device, about double the size of a person's thumbnail, uses laser-scribed graphene and measures vocal cord vibrations to produce speech-like sounds.
A MU researcher studied the relationship between stress and voice disorders, finding that stress-induced brain activations can lead to conditions like muscle tension dysphonia. The study suggests that stress can trigger physiological changes affecting speech control.
Researchers found toddlers who spent more time in groups with other children excelled at associating new words with objects. This skill is crucial for word learning and native language development.
A proof-of-concept study shows that a simple and inexpensive non-invasive device can improve speech understanding in hearing-impaired individuals and those with normal hearing. The device transforms low-frequency speech signals into tactile vibrations delivered on fingertips.
Researchers found speakers with voice disorders showed a tenfold increase in speech intelligibility errors compared to healthy speakers. Listeners also struggled with understanding words, especially those with 'breathiness' quality in their voices.
Arts education can offer ways to disclose what is hidden and give tools to examine the ignorance, misunderstandings, and false beliefs within the historical and cultural contexts of hate speech.
Researchers argue that speech technology is not a solution for low literacy rates, as reading trains the language prediction system. Skilled readers can predict upcoming words, which reduces processing load and frees up brain resources.
A new study uses AI to analyze voice patterns and diagnose post-traumatic stress disorder (PTSD) in veterans. The tool was able to distinguish between the voices of those with or without PTSD with high accuracy, suggesting a potential breakthrough in telemedicine approaches.
A new study finds that using 'the' with a plural noun to refer to a group of individuals creates a distancing effect, making the speaker appear less connected. The study analyzes data from U.S. House speeches and pundits on 'The McLaughlin Group', revealing patterns in politicians' use of 'the' based on their political leanings.
Researcher Maggie Pitts explores how people savor different types of communication, identifying seven categories including aesthetic, presence, nonverbal, recognition, relational, extraordinary, and implicitly shared communication. She finds that savoring can boost mood and quality of life.
Researchers create system that can reconstruct words a person hears with unprecedented clarity using speech synthesizers and artificial intelligence. The breakthrough could help people who cannot speak, such as those living with ALS or recovering from stroke, regain their ability to communicate with the outside world.
A study published in Developmental Science reveals that newborn babies are born with the ability to identify words in continuous speech. The researchers used Near-Infrared Spectroscopy to measure brain activity and discovered two mechanisms that enable infants to pick out individual words from a stream of sounds.
A study analyzes how hip-hop artists like Jay-Z and Public Enemy use 'cop voice' in their songs to interrogate police violence in black communities. Researchers identify the phenomenon of 'cop voice' as a racialized way of speaking used by police to provoke fear and extreme compliance from people of color.