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Pregnancy Changes the Brain in More Ways Than We Knew

'WSJ:' Neuroscientist volunteers herself for study, resulting in first-of-its-kind discoveries

(Newser) - When Dr. Liz Chrastil was ready to begin in vitro fertilization, she realized becoming pregnant could also serve as a data goldmine. The Wall Street Journal walks through the cognitive neuroscientist's decision to sign herself up for a one-woman research study that resulted in groundbreaking insights on how pregnancy...

RFK Jr.: About That Worm That Ate My Brain...

Candidate denies lasting effects as 'NYT' exposes various previously unknown health issues

(Newser) - At age 70, independent presidential candidate Robert F. Kennedy Jr. has touted himself as "the model of virility" up against older, less robust rivals, per MSNBC . All the while, he's been keeping mum on his claim that, as the New York Times reports, a worm ate part of...

Our Brains Are Getting Bigger
Our Brains Are Getting Bigger

Our Brains Are Getting Bigger

They've increased in volume over the decades, which may be good news for dementia risks

(Newser) - Though theories abound that humans are getting dumber , evidence suggests that our brains are actually getting bigger. Researchers from UC Davis Health found that they've grown in both volume and surface area after comparing MRIs from people born in the 1930s with those born in the 1970s, per Newswise...

Neuralink's First Human Subject Demonstrates 'Telepathy'

Noland Arbaugh shows how he can control his computer by thinking

(Newser) - Noland Arbaugh, the first human to receive a Neuralink brain-computer implant , demonstrated how the device works in a livestream the company posted to X Wednesday. In it, the 29-year-old plays two games on his computer (chess and Civilization), showing how he can move the cursor around the screen simply by...

Man's Appetite for Soft Bacon Leads to Brain Parasites

Case of pork tapeworm larvae infecting brain tissue described in new study

(Newser) - A Florida man who went to his doctor complaining his migraine medication wasn't touching his increasingly frequent and painful headaches was found to have parasitic tapeworm larvae in his brain. After four months of pain, a CT scan revealed fluid-filled sacs throughout the white matter of the 52-year-old's...

For These 5, Alzheimer's Was Medically Acquired
Medical Miscue May Have
Given Patients Alzheimer's

Medical Miscue May Have Given Patients Alzheimer's

Study suggests disease was triggered by human growth hormone shots derived from cadavers

(Newser) - Doctors once sought to make very short children taller by injecting them with growth hormone taken from the brains of dead people. The procedure was banned 40 years ago—and cadaver-derived pituitary growth hormone (c-hGH) replaced with a synthetic version—when scientists discovered patients had also received bits of protein...

Female Animals Grow Bigger Brains, Males Bigger Antlers

Scientists aren't quite sure why, but they have some theories

(Newser) - While it's hard to overlook the giant antlers and horns that animals like moose and rams wave around, researchers recently made a fascinating discovery by checking out what's going on with their un-horned, female counterparts. National Geographic dives into the study, which examined over 400 specimens of ungulates...

Rats Have Imaginations, Too

Rats Have
Just Like
We Do
new study

Rats Have Imaginations, Just Like We Do

Study has wide-ranging implications, and not just for rodents

(Newser) - Humans aren't the only creatures in the animal kingdom with imaginations, a new study suggests. It seems that rats are in the club, too, reports Scientific American . In a series of remarkable experiments, researchers at the Howard Hughes Medical Institute in Virginia concluded that rats are capable of visualizing...

Consciousness May Occur After Heart, Brain Flatline

Brain signals support idea of near-death experiences amid cardiac arrest: study

(Newser) - Their hearts and brains had flatlined. Yet as doctors tried to revive their "technically dead" patients, some of those patients were aware of what was going on. One patient recalled people placing electrodes on their chest and feeling the subsequent shock, per the National Post . Others "were able...

In First, Doc Pulls Live Worm From Human Brain
In First, Doc Pulls
Live Worm From
Human Brain

In First, Doc Pulls Live Worm From Human Brain

Australian neurosurgeon was as grossed out as you are

(Newser) - The call went out to Dr. Sanjaya Senanayake, an infectious diseases physician at Canberra Hospital in Australia, from a neurosurgeon who'd just performed brain surgery. "Oh, my god, you wouldn't believe what I just found in this lady's brain," Dr. Hari Priya Bandi said, according...

Daytime Napping May Combat Brain Shrinkage
Daytime Napping May
Combat Brain Shrinkage

Daytime Napping May Combat Brain Shrinkage

Those with genetic predisposition to habitual daytime napping found to have larger brain volume

(Newser) - Adults who partake in short daytime naps could be doing more than catching up on sleep. New research suggests they could also be slowing the rate at which the brain shrinks with age. Researchers at University College London and Uruguay's University of the Republic took data from 35,080...

We Like Hearing Nice Sounds in Our Left Ears
Want to Whisper Something
Nice? Use the Left Ear
New Study

Want to Whisper Something Nice? Use the Left Ear

Researchers find a pronounced preference through brain scans

(Newser) - If you've ever noticed a subtle bias toward your left ear when enjoying some pleasant singing or the mellifluous voice of your favorite podcaster, it's not just you. IFL cites a study published in Frontiers in Neuroscience that details how a team of Swiss researchers discovered that our...

Humans Could Potentially Put on a Helmet and Hibernate

Scientists induce short-term hibernation in mice and rats with ultrasonic pulses to the brain

(Newser) - Rats, like humans, don't naturally hibernate. But scientists have figured out a way to induce a torpor-like state in the rodents which, as the Guardian reports, raises the prospect that the same thing can happen in humans, with a host of hard-to-imagine ramifications in fields ranging from space travel...

Activity in Dying Brains Hints at Moments of Consciousness

Surges of electricity raise intriguing questions about near-death experiences

(Newser) - Activity in dying brains may provide insight into the possibility of brief conscious experiences in the last moments of life, according to research reported by Live Science . The study, published in the journal PNAS , observed electrical activity in the brains of dying patients and found that some individuals exhibited organized-looking...

Her Fetus Needed Care ASAP. She Agreed to In Utero Surgery

Little Denver is doing great after rare vein of Galen malformation was picked up on 30-week ultrasound

(Newser) - When Louisiana's Kenyatta Coleman went for a 30-week ultrasound while pregnant with daughter Denver, she was hoping for a routine checkup, as the previous ones had been. What doctors noticed at that visit, however, led to what looks to be the United States' first brain surgery on a baby...

Experts Struggle to Explain Rise in Children's Brain Infections

Pandemic could be linked to increase, or even COVID-19 itself

(Newser) - From 2015 to 2021, Nevada's Clark County averaged five cases a year of pediatric brain abscesses. Last year, there were 18. Researchers presented the finding this week to the Centers for Disease Control and Prevention's Epidemic Intelligence Service conference to bring attention to the baffling increase in life-threatening...

At Musk's 'Show and Tell,' New Demo of Brain Implant Device

Billionaire says human trials of device from his Neuralink company are imminent

(Newser) - Elon Musk held a "show and tell" event Wednesday night, but it had nothing to do with his most recent Twitter troubles . Instead, the billionaire showed off a brain implant device developed by one of this other companies, Neuralink—a device he says will link the human brain to...

Brain Plays Surprising Role When We Get Sick
Brain Plays Surprising Role
When We Get Sick
new studies

Brain Plays Surprising Role When We Get Sick

Studies suggest it hijacks our normal systems to make us feel lousy, for the greater good

(Newser) - When you're laid up with a cold or flu, it's not a virus or bacteria making you feel awful and lethargic—it's your own brain. And it's all in the service of helping you get better, according to two new studies in Nature summed up in...

Dishes Full of Brain Cells Teach Themselves to Play Pong

'When they are in the game, they believe they are the paddle'

(Newser) - Scientists at Cortical Labs call dishes full of brain cells "cyborg brains"—and they've learned to play the computer game Pong with surprising speed. The mini-brains, some of them grown from human stem cells and others from cells of mouse embryos, got the hang of a simplified...

This Is Why Your Brain Logs a Memory as Happy or Sad
Brain Discovery May Be
a Breakthrough on Memories
new study

Brain Discovery May Be a Breakthrough on Memories

Molecule called neurotensin appears to decide whether a memory is logged as good or bad

(Newser) - Brain researchers appear to have figured out precisely how our brains store a particular memory as either good or bad—and the discovery could have implications for the treatment of everything from depression to PTSD. Researchers at the Salk Institute for Biological Studies in California say it all comes down...

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