Hot Heads: Why Mammals Need R.E.M. Sleep - The New York Times
Fur seals can switch off and on R.E.M. sleep when they're in the sea and on land, a pattern never seen before. Scientists believe it might mean R.E.M. sleep helps generate heat in our skulls, like shivering for the brain.Credit...Mickrick, via Getty Images On a December evening in 1951, Eugene Aserinsky, a physiologist at the University of Chicago, placed electrodes on the scalp of his 8-year-old
Why We Miss Objects That Are Right in Front of Us (Published 2017)
Most people will quickly spot the toothbrush on the front of the counter, but take longer — or even fail to find — the much bigger one behind it. The oversight has to do with scale. People have a tendency to miss objects when their size is inconsistent with their surroundings, according to a recent study in Current Biology. This is just the latest in a robust body of research that reveals how expe
Gregory Berns Knows What Your Dog Is Thinking (It’s Sweet) - The New York Times
Wil, an Australian shepherd, waited to have his brain scanned in a magnetic resonance imaging machine, part of an experiment by Dr. Gregory Berns. Wil’s head is wrapped with medical gauze to hold in ear-plugs that muffle the noise.Credit...Dustin Chambers for The New York Times Dr. Gregory Berns, 53, a neuroscientist at Emory University in Atlanta, spends his days scanning the brains of dogs, tryi
Why Big Liars Often Start Out as Small Ones (Published 2016)
People who tell small, self-serving lies are likely to progress to bigger falsehoods, and over time, the brain appears to adapt to the dishonesty, according to a new study. The finding, the researchers said, provides evidence for the “slippery slope” sometimes described by wayward politicians, corrupt financiers, unfaithful spouses and others in explaining their misconduct. “They usually tell a st
With Dogs, It’s What You Say — and How You Say It (Published 2016)
Who’s a good dog? Well, that depends on whom you’re asking, of course. But new research suggests that the next time you look at your pup, whether Maltese or mastiff, you might want to choose your words carefully. “Both what we say and how we say it matters to dogs,” said Attila Andics, a research fellow at Eotvos Lorand University in Budapest. Dr. Andics, who studies language and behavior in dogs
Updated Brain Map Identifies Nearly 100 New Regions (Published 2016)
A new map based on brain scan data collected by the Human Connectome Project. The data revealed 97 new regions, bringing the total to 180.Credit...Matthew F. Glasser, David C. Van Essen The brain looks like a featureless expanse of folds and bulges, but it’s actually carved up into invisible territories. Each is specialized: Some groups of neurons become active when we recognize faces, others when
New Ways Into the Brain’s ‘Music Room’ (Published 2016)
Whether to enliven a commute, relax in the evening or drown out the buzz of a neighbor’s recreational drone, Americans listen to music nearly four hours a day. In international surveys, people consistently rank music as one of life’s supreme sources of pleasure and emotional power. We marry to music, graduate to music, mourn to music. Every culture ever studied has been found to make music, and am
Down From the Trees, Humans Finally Got a Decent Night’s Sleep (Published 2015)
A golden snub-nosed monkey. The peculiar sleeping patterns of humans may have contributed to the power of our minds, a study says.Credit...Cyril Ruoso/Minden Pictures Over the past few million years, the ancestors of modern humans became dramatically different from other primates. Our forebears began walking upright, and they lost much of their body hair; they gained precision-grip fingers and dev
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Many Animals Can Count, Some Better Than You - The New York Times
Why We ‘Hear’ Some Silent GIFs - The New York Times
A Baby Wails, and the Adult World Comes Running - The New York Times