Neuroscience

Pain and itch connected down deep

A new study of itch adds to growing evidence that the chemical signals that make us want to scratch are the same signals that make us wince in pain.

Neuroscience

Brain cells decide on their own when to release pleasure hormone

In addition to smoothing out wrinkles, researchers have found that the drug Botox can reveal the inner workings of the brain. A new study used it to show that feedback from individual nerve cells controls the release of dopamine, ...

page 21 from 40