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Friday, May 24, 2013

Shots - Health News

Why You Have To Scratch That Itch

The origin of itch has confounded scientists for decades.

May 24, 2013 Itch can be a useful warning sign, or a maddening symptom with no cure. But the origins of itch have long been a mystery. Scientists think they've come closer to understanding the origins of itch in a molecule that makes mice scratch like mad.

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Friday, April 19, 2013

Shots - Health News

What David Lynch And Tylenol Can Tell You About The Brain

Researchers used a clip from the David Lynch film Rabbits to make volunteers uneasy. Afterward some people got Tylenol, which appeared to help them cope.

April 19, 2013 Tylenol may relieve more than physical pain; it may dull existential aches, too. Researchers say their work is consistent with a growing body of research that suggests the brain processes physical and emotional pain in similar ways.

Summary

Thursday, April 11, 2013

Shots - Health News

How Much Does It Hurt? Let's Scan Your Brain

A technique for imaging the brain allowed researchers to distinguish between physical and emotional pain.

April 11, 2013 Researchers say they can measure how much pain someone is experiencing and even watch as prescription painkillers relieve it. The scanning technique could help doctors treat pain better, but the work is also fraught with questions about how the technology could interfere with the relationship between doctors and patients.

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Thursday, April 04, 2013

Shots - Health News

Researchers Use Brain Scans To Reveal Hidden Dreamscape

A window into dreams may now be opening.

April 4, 2013 Philosophers, poets and psychologists have long shared a fascination with dreams. Now Japanese scientists have scanned the brains of dreaming volunteers to create a lexicon of imagery that can be used to detect and decode dreams while a person sleeps.

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Friday, March 22, 2013

13.7: Cosmos And Culture

What's Behind The Invention Of 'Neuroscience Care'?

A real human brain on display at an exhibition in Bristol, England.

March 22, 2013 Is "neuroscience care" a new kind of care? A new medical speciality? Or a new kind of marketing? Commentator Alva Noë says: don't believe the hype.

Summary

Monday, March 18, 2013

The Salt

Some People Really Can Taste The Rainbow

A select group of synesthetes can truly "taste the rainbow."

March 18, 2013 Some people with a rare neurological condition known as synesthesia can taste shapes or smell color. And when these people work in the food industry, it can radically redefine flavor profiles. (Blue wine? Moss-flavored cotton candy?)

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Thursday, March 07, 2013

Shots - Health News

To Make Mice Smarter, Add A Few Human Brain Cells

This image shows a human glial cell (green) among normal mouse glial cells (red). The human cell is larger, sends out more fibers and has more connections than do mouse cells. Mice with this type of human cell implanted in their brains perform better on learning and memory tests than do typical mice.

March 7, 2013 For more than a century, neurons have been the superstars of the brain. Now researchers say that when they placed human versions of another type of brain cell into mice brains, the mice grew up to be faster learners. This supports the hypothesis that these glial cells — and not just better-known neurons — play an important role in learning.

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Wednesday, March 06, 2013

Shots - Health News

Hear That? In A Din Of Voices, Our Brains Can Tune In To One

Scientists say that understanding how the cocktail party effect works could help people who have trouble deciphering sounds in a noisy environment. Guests make it look easy at a Dolce and Gabbana Lounge party in London in 2010.

March 6, 2013 Scientists are beginning to understand how people focus on a single voice in a crowded, noisy room. This ability, known as the "cocktail party effect," appears to rely on areas of the brain that have completely filtered out unwanted sounds.

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Thursday, January 31, 2013

13.7: Cosmos And Culture

Stop Ignoring Head Trauma: Turn Off The Super Bowl

The brain of former NFL star Junior Seau, who committed suicide last year, showed signs of the kind of neurodegenerative disease associated with repetitive head trauma.

January 31, 2013 You're watching the Super Bowl, and on the screen flashes a number to text a $10 donation for brain research. This hasn't happened yet, but as the big event nears, commentator Barbara J. King asks how should we react to the Super Bowl in light of the link between repetitive brain injuries and degenerative brain disease.

Summary

Thursday, January 10, 2013

Shots - Health News

Speaking More Than One Language Could Prevent Alzheimer's

Scientists have found that bilingual seniors are better at skills that can fade with age than their monolingual peers.

January 10, 2013 Neuroscientists have found that bilingual seniors were better at certain skills that can fade with age than their monolingual peers, which could help protect them against Alzheimer's disease. But the researchers don't know whether learning a second language in adulthood would provide the same benefit.

Summary

Thursday, December 13, 2012

Shots - Health News

Ah, Wilderness! Nature Hike Could Unlock Your Imagination

Maybe you can find that creative spark out in Zion National Park in southwestern Utah.

December 13, 2012 Communing with nature has long helped artists get their creative juices flowing. A neuroscientist wondered how backpacking trips without any electronic devices might change the way people solved problems.

Summary

Friday, December 07, 2012

13.7: Cosmos And Culture

Brain Scans Don't Catch The Brain In Action

A visitor to the Wellcome Collection's 2012 exhibition "Brains: The mind as matter" looks at a functional magnetic resonance image (fMRI) showing a human brain as it listens to Stravinsky's "Rite of Spring" and Kant's third Critique.

December 7, 2012 We are fascinated by pictures of the brain produced by new imaging technologies. Alva Noë reminds us that these pictures are not images of the brain in action; they are not pictures of the mind at work. They are bits of theory.

Summary

Friday, November 23, 2012

Shots - Health News

Scientists Get A New Look At Einstein's Brain

Pathologist Thomas Harvey took dozens of photos of Einstein's brain. This one shows that Einstein's prefrontal cortex (associated with higher cognition and memory) is unusually convoluted. On the right side of the brain there are four large ridges, where most people have only three.

November 23, 2012 What made Einstein a genius? Maybe his weirdly curvy brain had something to do with it. Scientists have recently analyzed photos from the 1950s to try to figure out what made the genius tick.

Summary

Thursday, November 08, 2012

Shots - Health News

The Beatles' Surprising Contribution To Brain Science

The Beatles rehearse for that night's Royal Variety Performance at the Prince of Wales Theatre in 1963.

November 8, 2012 When we listen to a new musical phrase, it is the parts of the brain that control muscle movement, not areas involved in hearing, that help us remember what we've heard. Keeping the notes in order is a little like getting your muscles to move at the right time.

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Wednesday, October 17, 2012

Shots - Health News

Treatment For Alzheimer's Should Start Years Before Disease Sets In

Alexis McKenzie, executive director of the Methodist Home of the District of Columbia Forest Side, an Alzheimer's assisted-living facility, puts her hand on the arm of resident Catherine Peake.

October 17, 2012 New research suggests that by the time an Alzheimer's patient is diagnosed, many key neurons are already dead. Neuroscientists say it's possible that several recent trials of drugs for Alzheimer's have failed because the drugs were given after symptoms had already started to appear.

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