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NEWS ABOUT: neurology

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Caught My Yawn? Aren't You Sweet

Study discovers contagious yawning is sign of empathy

(Newser) - If you yawn when someone nearby does, it may mean you're an empathetic person, a new study has found. Research shows that infectious yawning is a psychological phenomenon, limited to humans and some of their ape relatives, and that those more likely to "catch" yawns appear to be more... More »

Brains Hard-Wired to Swing Left or Right

Liberals deal with ambiguity better; conservatives are single-minded

(Newser) - The brains of conservatives and liberals function in fundamentally different ways—with liberals more capable of accepting ambiguity and conflict, and conservative better able to pursue a single-minded course. That's the conclusion of  a new study on the neurobiology of politics, published in the journal Nature Neuroscience. More »

Smoking Linked to Alzheimer's

Smoking 'rusts' blood vessels, researchers find

(Newser) - If lung cancer, emphysema, heart disease and social ostracism aren't enough, here's another good reason to stop smoking: a new study links smoking to Alzheimer's disease and dementia. The study, published in the journal Neurology, says that smoking alters the cells of arteries much the same way that metal rusts. More »

Old Doesn't Mean Crotchety, Whippersnapper

Study finds 'negative bias' erodes with age

(Newser) - Aging might cause the memory to, er, lapse, but it also can create a more positive outlook, reports Science. We tend to have a "negative bias"—an inclination to pay more attention to bad news than good—which is reversed as we age. Young people's brain activity jumps... More »

Heart Meds May Work Against Alzheimer's

Anti-cholesterol drugs appear to combat brain disease

(Newser) - The best medicine for Alzheimer's disease may be a heart drug, researchers say, and the discovery may shed light on the way the devastating disorder acts on the brain. Subjects taking popular statin-based cholesterol meds developed fewer protein deposits in their brains, reports Time, possibly confirming suspicions that Alzheimer’s... More »

Scientists Find Switch to Turn On Brain Cells

Breakthrough could treat mental disorders

(Newser) - Neuroscientists are experimenting with switching targeted groups of brain cells on and off using remote-controlled lasers, promising hope for treatment of mental disorders, reports the New York Times. The technique, using cells altered with a photo-sensitive protein called channelrhodopsin-2, could one day be used to treat a host of problems... More »

Drinking Slows Dementia

Add another item to list of alcohol-related miracles: It curbs cognitive decline

(Newser) - Score a victory for the nightcap: Booze may help halt dementia in the elderly, a new study suggests. The Italian research, published in the journal Neurology, concludes that a one-drink-a-day habit can slow the progression of dementia by 85% in those in people 65 and older who already show mild... More »

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