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Archive for August 19, 2015

Happiness spreads, but depression isn’t contagious

Happiness spreads but depression doesn't

Having friends who suffer from depression doesn’t affect the mental health of others, according to research. The team found that having friends can help teenagers recover from depression or even avoid becoming depressed in the first instance. The findings are the result of a study of the way teenagers in a group of US high schools influenced each others’ mood. The academics used a mathematical model to establish if depression spreads from friend to friend.

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Don’t I know that guy? Neuroscientists pinpoint part of the brain that deciphers memory from new experience

Don't I know that guy? Neuroscientists pinpoint part of the brain that deciphers memory from new experience
Don't I know that guy? Neuroscientists pinpoint part of the brain that deciphers memory from new experience

Research assistant Jeremy Johnson feeds a rat on the behavioral track used to determine where the brain decides what is new and what is familiar.
Image credit goes to: Johns Hopkins University

You see a man at the grocery store. Is that the fellow you went to college with or just a guy who looks like him? One tiny spot in the brain has the answer. Neuroscientists have identified the part of the hippocampus that creates and processes this type of memory, furthering our understanding of how the mind works, and what’s going wrong when it doesn’t.

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