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Your Samsung phone and watch could soon warn you of Alzheimer’s disease

androidauthority.com Unknown 2025-09-21 10:57:21

The Galaxy maker elaborated on this approach in its post: Recalling and repeating short sentences can evaluate short-term memory-related brain regions, while assessing speech fluency and accuracy reveals the state of language ability. Likewise, the regularity and variety of app and messaging use, along with call frequency, can offer insights into social networks and the brain’s executive functions. In short, the study demonstrated that brain regions responsible for language and short-term memo

Topics: app brain language messaging short

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How does air pollution impact your brain?

news.ycombinator.com Written By 2025-09-30 04:04:23

Image credit: Ionut Stefan We’ve known for some time that air pollution is bad for human health. However, the focus was mostly on the lungs, and to some extent, the heart. After all, airborne pollutants are inhaled through the lungs and can reach the heart through the bloodstream, so it’s not surprising these take the brunt of the damage. But somewhere along the way, it became somewhat mainstream to consider how air pollution might affects brains too. What I found surprising was the recency of

Topics: air brain disorders effects pollution

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Chronic Insomnia Is Bad for the Brain. Like, Really Bad

gizmodo.com Margherita Bassi 2025-10-02 08:20:07

If you’re a chronic insomniac, you might experience faster declines in memory and thinking skills than your better-sleeping fellows. In other words, your brain might age faster. In a study published Wednesday in the journal Neurology, researchers revealed that people with chronic insomnia, described as having trouble sleeping at least three days a week for three months or more, were significantly more likely to develop mild cognitive impairment or dementia than their healthy counterparts. “Ins

Topics: brain chronic insomnia sleep study

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This Is the First Time Scientists Have Seen Decisionmaking in a Brain

wired.com Jorge Garay 2025-10-07 11:00:00

Neuroscientists from around the world have worked in parallel to map, for the first time, the entire brain activity of mice while they were making decisions. This achievement involved using electrodes inserted inside the brain to simultaneously record the activity of more than half a million neurons distributed across 95 percent of the rodents’ brain volume. Thanks to the image obtained, the researchers were able to confirm an already theorized architecture of thought: that there is no single r

Topics: brain decisionmaking involved neural neurons

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Speed Brain: Helping web pages load faster (2024)

news.ycombinator.com Unknown 2025-10-10 00:16:10

18 min read Each time a user visits your web page, they are initiating a race to receive content as quickly as possible. Performance is a critical factor that influences how visitors interact with your site. Some might think that moving content across the globe introduces significant latency, but for a while, network transmission speeds have approached their theoretical limits . To put this into perspective, data on Cloudflare can traverse the 11,000 kilometer round trip between New York and Lo

Topics: brain browser content page speed

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An Anatomically Correct Replica of the Human Brain, Knitted by a Psychiatrist

news.ycombinator.com Unknown 2025-10-09 03:34:33

Our brains dictate our every move. They’re the ones who spur us to study hard, so we can make something of ourselves, in order to better our communities. They name our babies, choose our clothes, decide what we’re hungry for. They make and break laws, organize protests, fritter away hours on social media, and give us the green light to binge watch a bunch of dumb shows when we could be reading War and Peace. They also plant the seeds for Fitzcarraldo-like creative endeavors t

Topics: brain cor ing knit ly

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A history of metaphorical brain talk in psychiatry

news.ycombinator.com Kendler 2025-10-11 17:21:55

We first turn to Adolf Meyer, the most influential psychiatrist in the US over the first 3rd of the 20th century [27]. It should be recalled that until World War II, American psychiatry was a rather small profession, largely composed of superintendents of mental hospitals who largely had a biologically orientation to their work. In 1907, while the director of the New York Psychiatric Institute, Meyer wrote about his concerns of the narrow views that US physicians would typically take in their ap

Topics: brain metaphorical psychiatric serotonin talk

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Lab Mice Exposed to Microplastics Show Signs of Dementia

futurism.com Unknown 2025-10-11 20:00:16

Image by Getty / Futurism Neuroscience/Brain Science Should you be worried that your brain probably contains enough plastic to fashion a disposable spoon? Yes, new research suggests: you should. In a new study published in the journal Environmental Research Communications, researchers found that mice which were regularly exposed to microplastics in their diet developed symptoms of Alzheimer's disease, the most common form of dementia, in less than a single month. The mice were genetically mo

Topics: alzheimer brain mice microplastics study

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Scientists Intrigued by Pill That May Heal Brain After Stroke or Brain Injury

futurism.com Unknown 2025-10-11 20:00:07

Image by Getty / Futurism Neuroscience/Brain Science Researchers are working on a pill that could allow patients' brains to recover from a traumatic injury or stroke, defying conventional thinking that the brain cannot regenerate following such a traumatic event. As the New York Times reports, researchers previously discovered a gene that codes for a receptor called CCR5, which has been found in experiments to suppress lab mice's ability to learn and remember. University of California head of

Topics: brain carmichael injury maraviroc stroke

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MIT Study Finds AI Use Reprograms the Brain, Leading to Cognitive Decline

news.ycombinator.com Css . Node_Modules Css-Loader Dist Cjs.Js 2025-10-18 12:06:19

By Nicolas Hulscher, MPH A new MIT study titled, Your Brain on ChatGPT: Accumulation of Cognitive Debt when Using an AI Assistant for Essay Writing Task, has found that using ChatGPT to help write essays leads to long-term cognitive harm—measurable through EEG brain scans. Students who repeatedly relied on ChatGPT showed weakened neural connectivity, impaired memory recall, and diminished sense of ownership over their own writing. While the AI-generated content often scored well, the brains beh

Topics: ai brain cognitive llm users

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Spotlight on AI at TechCrunch Disrupt: Don’t miss these sessions backed by JetBrains and Greenfield

techcrunch.com Cindy Zackney 2025-10-23 16:05:00

TechCrunch Disrupt isn’t just about showcasing the startups of tomorrow — it’s also about surfacing the boldest ideas shaping technology today. Thanks to the support of our partners JetBrains and Greenfield, the TechCrunch Disrupt 2025 program, happening October 27–29 at San Francisco’s Moscone West, brings two must-see sessions that put AI front and center. Monday, October 27 — Builders Stage 1:40 p.m. – 2:10 p.m. PT Who’s Defining AI’s Future in 2025? The AI Disruptors 60 Unveiled Presente

Topics: ai disrupt greenfield jetbrains partners

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An inner-speech decoder reveals some mental privacy issues

arstechnica.com Unknown 2025-11-03 08:00:57

Most experimental brain-computer interfaces (BCIs) that have been used for synthesizing human speech have been implanted in the areas of the brain that translate the intention to speak into the muscle actions that produce it. A patient has to physically attempt to speak to make these implants work, which is tiresome for severely paralyzed people. To go around it, researchers at the Stanford University built a BCI that could decode inner speech—the kind we engage in silent reading and use for al

Topics: brain inner muscles signals speech

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Man Experiences Joy For the First Time in Decades After Brain Stimulation Treatment

gizmodo.com Natalia Mesa 2025-11-07 08:05:15

A man who lived with severe, treatment-resistant depression for over 30 years is now in remission, thanks to a new brain stimulation method that targets selective areas of his brain. The man reported experiencing joy for the first time in decades after the treatment. “He was crying and saying, ‘I’m not sad, I’m just happy. I don’t know what to do with these emotions’,” the study’s first author, Ziad Nahas, a psychiatrist and professor at the University of Minnesota, told Gizmodo. Nahas and a t

Topics: brain depression participant stimulation treatment

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A mind–reading brain implant that comes with password protection

news.ycombinator.com Conroy 2025-11-16 10:32:21

A brain scan (artificially coloured) produced by magnetic resonance imaging. Credit: K H Fung/Science Photo Library A brain implant can decode a person’s internal chatter — but the device works only if the user thinks of a preset password1. The mind-reading device, or brain–computer interface (BCI), accurately deciphered up to 74% of imagined sentences. The system began decoding users’ internal speech — the silent dialogue in people’s minds — only when they thought of a specific keyword. This

Topics: brain internal kunz sentences speech

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JetBrains working on higher-abstraction programming language

news.ycombinator.com More This Author 2025-11-21 05:49:41

JetBrains, creator of the popular Kotlin programming language, is developing a new programming language intended to make AI and code much more controllable and transparent. In a July 23 interview with InfoWorld, JetBrains CEO Kirill Skrygan elaborated on company plans for an as-yet-unnamed language that would describe a program at a higher level of abstraction. He reflected on how computer code originally was written in Assembler and moved to higher levels of abstraction with C and C++, then on

Topics: code higher jetbrains language skrygan

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New Brain Interface Interprets Inner Monologues With Startling Accuracy

gizmodo.com Natalia Mesa 2025-11-21 11:00:43

Scientists can now decipher brain activity related to the silent inner monologue in people’s heads with up to 74% accuracy, according to a new study. In new research published today in Cell, scientists from Stanford University decoded imagined words from four participants with severe paralysis due to ALS or brainstem stroke. Aside from being absolutely wild, the findings could help people who are unable to speak communicate more easily using brain-computer interfaces (BCIs), the researchers say

Topics: activity brain inner people speech

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Sam Altman Reportedly Launch Rival Brain-Chip Startup to Compete With Musk’s Neuralink

gizmodo.com Bruce Gil 2025-11-24 00:45:49

The rivalry between Sam Altman and Elon Musk is about to get weirder. Until now, the two have been fighting over whose company has the most advanced AI models. But soon, they could be battling to prove who makes the best brain chip implants. The Financial Times reported, citing unnamed sources, that OpenAI CEO Sam Altman is working on co-founding a new brain chip startup called Merge Labs. The company will develop what is known as a brain-computer interface (BCI). BCIs work by implanting tiny

Topics: altman brain company musk openai

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OpenAI and Sam Altman are reportedly creating a startup rival to Elon Musk's Neuralink

engadget.com Unknown 2025-11-24 21:30:22

Sam Altman is preparing to co-found a new company funded by OpenAI that will go up against Elon Musk's Neuralink, The Financial Post reported. The startup, called Merge Labs, will use AI for its brain-computer interface and compete directly with Neuralink, along with other nascent companies in the field like Precision Neuroscience and Synchron. The name Merge Labs comes from a term Altman used in 2017 called "the merge" that describes the moment human brains and computers come together. The com

Topics: altman brain labs merge neuralink

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Sam Altman’s new startup wants to merge machines and humans

theverge.com Dominic Preston 2025-11-25 08:15:03

is a news editor with over a decade’s experience in journalism. He previously worked at Android Police and Tech Advisor. Posts from this author will be added to your daily email digest and your homepage feed. If you’ve enjoyed Elon Musk’s ongoing beef with Sam Altman and OpenAI, get ready for a whole new chapter: soon they’ll be rivals not just in AI, but in brain-computer interfaces too. The Financial Times reports that Altman and OpenAI are backing a new company called Merge Labs developing

Topics: altman brain merge new openai

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What does it mean to be thirsty?

news.ycombinator.com Dan Samorodnitsky 2025-11-28 00:03:37

Because these brain areas are difficult to study — due not only to their location, but also to their composition, with many different cell types and crisscrossed circuitry — it’s only in the last decade or so that neuroscientists have begun to understand how thirst fundamentally works. The body, researchers have found, is filled with sensors that feed clues to the brain about how much water or salt an organism needs to consume. How those sensors work, or what they even are, continues to elude sc

Topics: blood body brain salt water

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An AI Model for the Brain Is Coming to the ICU

wired.com Emily Mullin 2025-11-29 21:00:00

The Cleveland Clinic is partnering with San Francisco–based startup Piramidal to develop a large-scale AI model that will be used to monitor patients’ brain health in intensive care units. Instead of being trained on text, the system is based on electroencephalogram (EEG) data, which is collected via electrodes placed on the scalp and then read out by a computer in a series of wavy lines. EEG records the brain’s electrical activity, and changes in this activity can indicate a problem. In an ICU

Topics: brain data eeg icu model

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Lithium compound can reverse Alzheimer’s in mice: study

news.ycombinator.com Stephanie Dutchen 2025-12-04 12:56:05

“The idea that lithium deficiency could be a cause of Alzheimer’s disease is new and suggests a different therapeutic approach,” said senior author Bruce Yankner, professor of genetics and neurology in the Blavatnik Institute at HMS, who in the 1990s was the first to demonstrate that amyloid beta is toxic. The study raises hopes that researchers could one day use lithium to treat the disease in its entirety rather than focusing on a single facet such as amyloid beta or tau, he said. One of the

Topics: alzheimer brain disease lithium yankner

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Lithium Reverses Alzheimer's in Mice

news.ycombinator.com Stephanie Dutchen 2025-12-04 18:56:05

“The idea that lithium deficiency could be a cause of Alzheimer’s disease is new and suggests a different therapeutic approach,” said senior author Bruce Yankner, professor of genetics and neurology in the Blavatnik Institute at HMS, who in the 1990s was the first to demonstrate that amyloid beta is toxic. The study raises hopes that researchers could one day use lithium to treat the disease in its entirety rather than focusing on a single facet such as amyloid beta or tau, he said. One of the

Topics: alzheimer brain disease lithium yankner

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Our Brains Contain Lithium—and Its Loss Might Help Drive Alzheimer’s, Study Finds

gizmodo.com Ed Cara 2025-12-06 02:00:00

Alzheimer’s disease is one of the cruelest conditions a person can develop. And even with recent advances, there’s only so much that can be done once its symptoms emerge. Research out this week might highlight a critical and previously missed factor driving the disease, one that could even lead to new treatments. Scientists at Harvard Medical School led the study, published Wednesday in Nature. By studying human brain samples and mice, they found evidence that our brains naturally contain the e

Topics: alzheimer brain levels lithium mice

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Apple’s new brain-controlled iPhone, iPad tech revealed in video

9to5mac.com Ryan Christoffel 2025-12-13 16:16:33

Earlier this year Apple shared early details of its forthcoming plans to support brain-controlled technology for iPhone, iPad, and more. Now, a new video has been published showing the first live demonstration of the tech. New video shows iPad user controlling device with his thoughts Apple has long been at the forefront of prioritizing accessibility across its various devices. And the latest initiative on that front is especially cutting edge. As was first detailed this spring, iOS 26, iPadO

Topics: apple brain ipad synchron video

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Scientists shine a laser through a human head

news.ycombinator.com Velvet Wu 2025-12-13 15:07:18

For the most part, anyone who wants to see what’s going on inside someone else’s brain has to make a tradeoff when it comes to which tools to use. The electroencephalograph (EEG) is cheap and portable, but can’t read much past the outer layers of the brain, while the alternative, functional magnetic resonance imaging (fMRI), is expensive and the size of a room, but can go deeper. Now, a research group in Glasgow has come up with a mechanism that could one day provide the depth of fMRI using equi

Topics: brain head light photons radford

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Scientists Shine a Laser Through a Human Head

news.ycombinator.com Velvet Wu 2025-12-13 21:07:18

For the most part, anyone who wants to see what’s going on inside someone else’s brain has to make a tradeoff when it comes to which tools to use. The electroencephalograph (EEG) is cheap and portable, but can’t read much past the outer layers of the brain, while the alternative, functional magnetic resonance imaging (fMRI), is expensive and the size of a room, but can go deeper. Now, a research group in Glasgow has come up with a mechanism that could one day provide the depth of fMRI using equi

Topics: brain head light photons radford

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Scientists Find Evidence That Memories in Brain Are Physically Moving Around

futurism.com Unknown 2025-12-13 21:30:12

Image by Getty / Futurism Neuroscience/Brain Science Anyone who makes a habit of losing their keys has a new excuse: you didn't forget — your memory just moved. That's courtesy of neuroscientists at Northwestern University, who recently published a study looking into the brain patterns of mice. The new research explores how the hippocampus — a crucial part of the brain for spatial memory — changes over time. The paper sheds new light on a phenomenon first uncovered in 2013, when a study in th

Topics: brain drift mice mouse study

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How long before superintelligence? (1997)

news.ycombinator.com Unknown 2025-12-17 12:17:50

This is if we take the retina simulation as a model. As the present, however, not enough is known about the neocortex to allow us to simulate it in such an optimized way. But the knowledge might be available by 2004 to 2008 (as we shall see in the next section). What is required, if we are to get human-level AI with hardware power at this lower bound, is the ability to simulate 1000-neuron aggregates in a highly efficient way. The extreme alternative, which is what we assumed in the derivation

Topics: 10 ai brain human level

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How Long Before Superintelligence?

news.ycombinator.com Unknown 2025-12-17 18:17:50

This is if we take the retina simulation as a model. As the present, however, not enough is known about the neocortex to allow us to simulate it in such an optimized way. But the knowledge might be available by 2004 to 2008 (as we shall see in the next section). What is required, if we are to get human-level AI with hardware power at this lower bound, is the ability to simulate 1000-neuron aggregates in a highly efficient way. The extreme alternative, which is what we assumed in the derivation

Topics: 10 ai brain human level

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Latest Tech News

Your Samsung phone and watch could soon warn you of Alzheimer’s disease

How does air pollution impact your brain?

Chronic Insomnia Is Bad for the Brain. Like, Really Bad

This Is the First Time Scientists Have Seen Decisionmaking in a Brain

Speed Brain: Helping web pages load faster (2024)

An Anatomically Correct Replica of the Human Brain, Knitted by a Psychiatrist

A history of metaphorical brain talk in psychiatry

Lab Mice Exposed to Microplastics Show Signs of Dementia

Scientists Intrigued by Pill That May Heal Brain After Stroke or Brain Injury

MIT Study Finds AI Use Reprograms the Brain, Leading to Cognitive Decline

Spotlight on AI at TechCrunch Disrupt: Don’t miss these sessions backed by JetBrains and Greenfield

An inner-speech decoder reveals some mental privacy issues

Man Experiences Joy For the First Time in Decades After Brain Stimulation Treatment

A mind–reading brain implant that comes with password protection

JetBrains working on higher-abstraction programming language

New Brain Interface Interprets Inner Monologues With Startling Accuracy

Sam Altman Reportedly Launch Rival Brain-Chip Startup to Compete With Musk’s Neuralink

OpenAI and Sam Altman are reportedly creating a startup rival to Elon Musk's Neuralink

Sam Altman’s new startup wants to merge machines and humans

What does it mean to be thirsty?

An AI Model for the Brain Is Coming to the ICU

Lithium compound can reverse Alzheimer’s in mice: study

Lithium Reverses Alzheimer's in Mice

Our Brains Contain Lithium—and Its Loss Might Help Drive Alzheimer’s, Study Finds

Apple’s new brain-controlled iPhone, iPad tech revealed in video

Scientists shine a laser through a human head

Scientists Shine a Laser Through a Human Head

Scientists Find Evidence That Memories in Brain Are Physically Moving Around

How long before superintelligence? (1997)

How Long Before Superintelligence?

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