Brain
18 articles-
Stop Saying the Brain Learns By Rewiring Itself
Most neuroscientists accept that the brain computes by modifying its synapses, the links between neurons. On this view, the brain learns because experience molds it, rather than because experience implants facts. But experience does implant facts. We all know this, because we retrieve and make use of them throughout the day.Illustration by Gary Waters / […] -
Westworld Is Strikingly Real: AI Could Be Conscious and Unpredictable
Westworld recently wrapped its first season with a few stunning twists and a stunning statistic: With a 12-million-viewer average, it was the most-watched first season of an original HBO show in the network’s history. Westworld concerns a perverse theme park, styled in the fashion of the American Old West. The park’s “hosts,” artificially intelligent beings […] -
The Big Problem With “Big Science” Ventures—Like the Human Brain Project
The National Institutes of Health’s “Human Connectome Project” aims to elucidate the architecture of nerve fibers in the brain, as illustrated here. Patric Hagmann, Department of Radiology, University Hospital Lausanne (CHUV), Switzerland In 2005 neuroscientist Henry Markram embarked on a mission to create a supercomputer simulation of the human brain, known as the Blue Brain […] -
How Odd Behavior in Some Young Horses May Reveal a Cause of Autism
By gently squeezing maladjusted foals, veterinary researcher John Madigan recreates the experience of traveling through the birth canal, lowering the levels of certain neurosteroids and “waking up” the young horses.Joe Proudman / UC Davis As a toxicologist at the University of California, Davis, Isaac Pessah focuses on how different molecules regulate human brain function and […] -
Why Are You So Smart? Thank Your Mom & Your Difficult Birth
Our inability to care for ourselves as babies is a key to the genius of our species.
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A Mind That Unraveled DNA & Chased Consciousness
In his most recent book, Consciousness: Confessions of a Romantic Reductionist, Christof Koch wrote that he has known only one genius: Francis Crick, co-discoverer of the structure of the DNA molecule. “In a lifetime of teaching, working and debating with some of the smartest people on the planet, I’ve encountered brilliance and high achievement, but […]
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MRIs of Careful People Can Predict When Bubbles Will Pop
r.classen via Shutterstock In the 1630s, Holland was gripped by the world’s only known case of “tulip mania.” The intensely colored flowers were already a luxury item before then, but their prices leaped when tulips with flame patterned petals hit the market, and they continued rocketing to previously incomprehensible levels. The price for a single […]
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Mirror Neurons Are Essential, but Not in the Way You Think
A “brainbow”: neurons labels with fluorescent tags, in this case, from a mouse.Stephen J. Smith via Wikipedia In his 2011 book, The Tell-Tale Brain, neuroscientist V. S. Ramachandran says that some of the cells in your brain are of a special variety. He calls them the “neurons that built civilization,” but you might know them […]
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Evolution May Be Drunk, But It’s Serious About Making Brains
A new study shows that the comb jelly Pleurobrachia bachei evolved its complex features, including neurons and muscles, separately from animals like us.Leonid Moroz and Mat Citarella Our brains, perched atop a network of nerve cells that ascend the length of our bodies, are thought to have arisen once in an animal hundreds of millions […]
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Steal a Skull, Understand a Genius
Can you match the skulls of Schubert, Haydn, and Beethoven with the musical style of its owner?
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Sleep: When Brain Cells Shrink & Neuro Trash Is Flushed Away
This image from a mouse brain shows the fluid channels (purple) and glia cells (green) flush out the brain’s waste into blood vessels.Jeffrey Iliff1 and Maiken Nedergaard For humans, sleep is an absolute requirement for survival, almost on par with food and water. When we don’t get it, we not only feel terrible, but our […] -
Safecracking the Brain
What neuroscience is learning from code-breakers and thieves. -
One Big Question Not Answered by Today’s Nobel Winners
Earlier today three US-based researchers shared the Nobel Prize in Physiology or Medicine for their research on vesicles, special structures that ferry all kinds of molecules around biological cells, and are fundamental to those cells’ functioning. Their findings provide some key background for our understanding of life—information that will fill textbooks for decades—though they lack […] -
Finding the Concept That Is Jennifer Aniston in My Brain
Are your neurons thrown off by this photo? Shutterstock Most of us have an uneasy love/hate relationship with celebrity culture. No matter how much we try to pretend we’re above it all, celebrities somehow seep into our consciousness, whether it’s Miley Cyrus’s cringe-inducing twerking at the VMAs, or our enduring affection for the ensemble cast […] -
Fame Is a Magnet that Reveals Our Weak Hold on Reality
This past July the Duchess of Cambridge gave birth to a baby boy. An international press corps was parked in front of the entrance of the hospital for over four weeks before that. The UK’s Daily Mail interviewed a woman who’d flown in from New Zealand to camp out in front of Buckingham Palace awaiting the […]
