brain scans

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Mom's Voice Really Fires Up a Kid's Brain

Researchers use MRI scans to observe the impact a mother's voice has

(Newser) - Newborns can pick out their mother's voice in their first days of life, and while the stimulating sound of mom's voice has long been connected to the early emotional and social development of children, little is understood neurologically. Now researchers report in the Proceedings of the National Academy ... More »

Scientists Spot a Trick to Help Erase Memories

It's all about the context of the memory

(Newser) - There are plenty of people who might benefit from intentionally forgetting certain memories—those who've been in combat, or suffered some form of abuse, for instance, and consequently struggle with post-traumatic stress disorder. Now researchers at Dartmouth report in the journal Psychonomic Bulletin & Review that they've figured... More »

Study: Here's What Happens When You Mix Pot, Booze

Drinking and smoking doubles one's chances of arrests, work problems

(Newser) - Is it a worse idea to use marijuana and alcohol together than alone? A study published in May and picked up by Scientific American has answered that question for what scientists say is the first time. Researchers write in Alcoholism: Clinical & Experimental Research that no study has previously "... More »

Newborns' Brains Grow 1% a Day

Rate slows down after initial burst in early weeks

(Newser) - The first study of its kind shows that newborns' brains grow fast—figure a staggering 1% a day immediately after birth, though it slows to about half that rate by the end of three months. Using MRI scans of 87 newborns' brains, researchers discovered that the first weeks of life... More »

We Only Use 10% of Brain? That's a Myth

Scientists say we actually use the whole brain

(Newser) - Reading this, you're probably using, what ... 10% of your brain? Funny how that notion took hold—that we use a tenth of our brain at any given time—because there's no actual evidence for it, the Conversation reports. The idea may date back to psychologist William James, who... More »

Many Vegetative People Are Actually Conscious

Scans detect which patients have hope of recovery

(Newser) - Many patients labeled vegetative actually have some degree of consciousness and a good chance of improving with treatment, a new study finds. Researchers tracked more than 100 patients with severe brain injuries for a year and discovered that PET scans were 74% accurate in predicting which patients would show signs... More »

Study Sees Link Between Concussions, Alzheimer's

Alzheimer-related brain protein found in some with previous concussion

(Newser) - If you've ever suffered a concussion, a new study suggests you may have a higher risk of developing Alzheimer's disease—or not. Mayo Clinic researchers performed brain scans on 141 people in their 70s and 80s who had memory problems and 448 who didn't. Some 18% and... More »

Ballet Alters Dancers' Brains

Could help people who suffer chronic dizziness

(Newser) - Ballet dancers aren't like the rest of us. And it's not just their tiny waistlines and ability to stand on the tips of their toes—the dancing alters their brains. A new study has found years of ballet training changes dancers' brain structure, so they can spin around... More »

Activity Detected in Ariel Sharon's Brain

Former Israeli PM has been in coma 7 years

(Newser) - After seven years in a coma, Ariel Sharon's brain is showing signs of life—and he might even know the Israeli election results. A brain scan of the former prime minister, who has been in a vegetative state since suffering a massive stroke in early 2006, found that his... More »

Scientists: The World's Happiest Man Is ...

... Matthieu Ricard, a confidant of the Dalai Lama

(Newser) - French neuroscientists have wired up a confidant of the Dalai Lama and declared him the world's happiest man—or at least the happiest one they know about, the Daily News reports. The brain scans of Matthieu Ricard, a renowned Buddhist thinker, show that his gray matter emits a quantity... More »

Women: This Is Your Brain During Orgasm

Bran scan video is first to reveal female fireworks

(Newser) - Here, finally, is a female orgasm in living, gasping color, delivered in a mesmerizing video of brain scans. The scans show the build up, the big event, and the "recovery" after several areas of the brain light up in a "crescendo" of oxygen-rapacious activity, reports the Guardian . The... More »

Gamers' Brains Have Bigger 'Reward Hub'

Researchers unsure whether it's pre-existing or games change brains

(Newser) - This is your brain on videogames: The brains of hardcore gamers are wired differently than those who rarely play video games, according to a new study. Researchers who scanned the brains of more than 150 14-year-olds found that the brain's "reward hub"—which plays a role in... More »

Scientists Recreate Movies From Brain Activity

Process could someday let us look in on dreams

(Newser) - Scientists at UC Berkeley have made a major advancement in the field of mind reading, reconstructing YouTube videos based on brain scans from people who’d seen them. Researchers would put subjects into an MRI machine and track their brain activity as they viewed videos. Once they’d build a... More »

Om My! Meditation Changes Brain Structure

Brain scans indicate permanent, positive development

(Newser) - This might already be obvious to enlightened souls, but researchers are discovering that meditation may permanently change the physical structure of the brain. Neural circuits linked to focus, happiness and empathy may be strengthened through long-term meditation, effectively rewiring the brain and "lighting up" certain sections with a life-long... More »

Neuroscientist Discovers He's a 'Born Killer'

Expert on killer brains spots one in his head

(Newser) - A neuroscientist who spent the last 20 years studying the brains of killers was more than a little surprised to discover that he had one. Jim Fallon—after learning that his father's side of the family tree was full of alleged killers, including Lizzie Borden—analyzed family brain scans and... More »

Lie-Detecting Brain Scan May Debut in Court

Lawyer hopes to have it admitted into evidence

(Newser) - Who needs Perry Mason when we've got neuroscience? A Brooklyn attorney wants to prove someone is telling the truth by introducing a scan of her brain activity into evidence this week, reports Wired . It would be a legal first and could open the door to more such evidence being used... More »

Probe of Radiation ODs Spreads to 4 Sites

Agency suspects brainb scan problem could be nationwide

(Newser) - The FDA has widened a probe into radiation overdoses received during brain scans to include four hospitals, and now suspects the problem could be nationwide. Three hospitals in Los Angeles County and one in Alabama are being investigated after patients received up to eight times the normal amount of radiation... More »

Coma Doc Checking Dozens of New Cases

Belgian searches for more victims of 'locked-in' syndrome

(Newser) - The Belgian neurologist who discovered that a patient thought to have been in a coma was actually conscious for 23 years has been checking dozens of other patients for signs of awareness. And he has discovered consciousness in some of the 50 patients he checks annually with his state-of-the-art equipment,... More »

Alzheimer's Test: Do You Recognize This Person?

(Newser) - If you have trouble remembering who Britney Spears is, there’s some good news and bad news. Good news: You have managed to forget Britney Spears. Bad news: You might be at risk for Alzheimer’s, according to a new study. A team of scientists recently found that people with... More »

Obesity May Shrink Your Brain

Study finds cognitive regions smaller in obese elderly

(Newser) - Important cognitive brain regions are smaller in older obese people than fit ones, scientists have found. Shrinking brains are tied to dementia, so the discovery fuels the notion that obesity can raise the risk of the cognitive disorder, New Scientist reports. In a review of 94 brain scans, subjects with... More »

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