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Language

All articles tagged with #language

Anesthetized Brain Reads Ahead: Language Processing Without Consciousness
science10 days ago

Anesthetized Brain Reads Ahead: Language Processing Without Consciousness

Researchers recorded neurons in the hippocampus of patients under general anesthesia and found that the unconscious brain can process language—distinguishing nouns, verbs, and adjectives—and even predict upcoming words while listening to stories. This suggests core cognitive tasks can occur without conscious awareness and prompts a rethink of consciousness, with implications for brain–computer interfaces and speech prosthetics. The findings stem from a single anesthesia type and a limited brain region, so more work is needed before broader generalization.

Neurons Map the Cellular Grammar of Human Language
neuroscience22 days ago

Neurons Map the Cellular Grammar of Human Language

Recordings from 579 neurons across the human frontotemporal cortex during natural speech show individual cells encode fine-grained linguistic features: some respond to parts of speech, others to sentence constituents or dependency depth, and some track combinatorial feature sets. The neuron population also encodes sentence context, with language encoding being left-lateralized and varying by region. Large language models’ contextual embeddings better predict neural activity than syntax/semantics alone, revealing distributed cellular building blocks and a micro-to-macro map of how language is represented in the brain.

Brain cells map the building blocks of speech
neuroscience23 days ago

Brain cells map the building blocks of speech

A Nature study used temporarily implanted brain electrodes in epilepsy patients to observe real-time single-neuron activity in the frontotemporal cortex as people spoke. It found specialized neurons that encode parts of speech and semantics or syntax, with many neurons firing just before specific components (e.g., nouns) are spoken. The left hemisphere showed greater involvement, and the researchers noted that both brain activity and large-language models track the sentence context up to about five preceding words to shape the next word—supporting a modular view of language built from neuronal building blocks.

Anesthetized Brain Still Listens: Hidden Language Processing in the Hippocampus
science29 days ago

Anesthetized Brain Still Listens: Hidden Language Processing in the Hippocampus

Researchers recorded hippocampal neurons in seven epilepsy patients under propofol anesthesia and found real-time processing of sounds and language, including predicting upcoming words. The findings suggest certain cognitive tasks can occur without conscious wakefulness and raise questions about consciousness as well as potential future brain-computer interfaces or speech prosthetics.

Language Meaning Reimagined as a Safety-First Framework
science1 month ago

Language Meaning Reimagined as a Safety-First Framework

Researchers at the University of Vermont propose ousiometrics, a new framework that says language meaning is organized around power, danger, and structure (a safety bias) rather than the traditional emotion-centered valence/arousal/dominance model. Analyzing billions of word uses with a new ousiometer, they claim this three-dimensional approach explains more of meaning variation (over 90%) than the old model and has wide implications for AI, NLP, and how we understand risk and coordination in communication.

Tiny DNA switches shaped language long before modern humans
science1 month ago

Tiny DNA switches shaped language long before modern humans

Scientists identify HAQERs—tiny regulatory DNA regions—that disproportionately influence language ability. These ancient switches predate the human–Neanderthal split and are even found in Neanderthals, suggesting language biology existed earlier than previously thought. Using an evolutionary-stratified polygenic score, researchers describe HAQERs as “volume knobs” for gene regulation that build brain hardware for language while other genes drove broader cognitive gains. The study points to an evolutionary tradeoff: HAQERs supported fetal brain growth and language groundwork but leveled off, with future work aiming to separate genetic effects from environmental factors on language development.

Brain Still Processes Language Under Anesthesia, New Study Finds
science1 month ago

Brain Still Processes Language Under Anesthesia, New Study Finds

Researchers report that the hippocampus continues to process language and even predict upcoming words during general anesthesia, suggesting learning and predictive coding can occur without conscious awareness. Using Neuropixels probes during epilepsy surgeries, they observed language processing and differentiation of parts of speech in real time, though the findings apply to a single anesthesia type and brain region. The work challenges traditional views of consciousness and could inform AI comparisons and future speech prosthetics, while highlighting the need for broader studies.

Language Shifts in Ageing: Normal Slowing or Early Dementia Clues?
health3 months ago

Language Shifts in Ageing: Normal Slowing or Early Dementia Clues?

Health experts say some language changes are normal with ageing (slower speech, occasional word-finding pauses), but dementia more typically causes loss of words and meanings, vaguer wording, and reduced coherence years before symptoms. There is no single diagnostic test yet; however, advances in language-analysis tools and apps may help flag risk earlier to enable timely intervention.

Predictive AI and the Risk of Homogenizing a Writer's Voice
science-tech3 months ago

Predictive AI and the Risk of Homogenizing a Writer's Voice

As predictive AI becomes a routine writing partner, critics warn that its text tends to standardize prose, potentially erasing individual authorial voice. The piece argues that while AI can assist drafting, true voice comes from human creativity and personal experience; to preserve uniqueness, educators should design assignments that force personal connections, unpredictability, and emotional depth—areas where AI still struggles to replicates radical stylistic leaps.

Born Musical: The Biology Behind Humans' Love of Sound
science4 months ago

Born Musical: The Biology Behind Humans' Love of Sound

New interdisciplinary work argues that music is a hardwired biological trait, with newborns already detecting rhythm and pitch; brain imaging shows music and language rely on distinct neural circuits, while musicality is a mosaic of beat, pitch and emotion shaped by evolution and present across species, suggesting music predates language and can inform therapies and education.

Listening for Stone-Age Voices: How Humans Learned to Talk
science4 months ago

Listening for Stone-Age Voices: How Humans Learned to Talk

A BBC feature explains how scientists infer what early humans sounded like by examining fossil skulls, vocal‑tract anatomy and brain development, outlining two main theories of language origins (sudden symbolic thought vs gradual evolution) and tracing a timeline from primate vocal capacity 27 million years ago to Cro-Magnon speech ~30,000 years ago, suggesting Neanderthals could have spoken and that Homo sapiens eventually developed a full language-ready system, ending with a note on today’s thousands of languages and their fragility.