Neuroscience

How the brain responds to surprising events

When your brain needs you to pay attention to something important, one way it can do that is to send out a burst of noradrenaline, according to a new MIT study.

Neuroscience

Why the memory of fear is seared into our brains

Experiencing a frightening event is likely something you'll never forget. But why does it stay with you when other kinds of occurrences become increasingly difficult to recall with the passage of time?

Psychology & Psychiatry

How the brain helps us focus our attention

How can we shift from a state of inattentiveness to one of highest attention? The locus coeruleus, literally the "blue spot," is a tiny cluster of cells at the base of the brain. As the main source of the neurotransmitter ...

Neuroscience

What stress does to the brain

Researchers at ETH Zurich have shown for the first time that selective release of the neurotransmitter noradrenaline reconfigures communication between large-scale networks in the brain. Their findings provide insights into ...

page 1 from 3