Neuroscience

With these neurons, extinguishing fear is its own reward

When you expect a really bad experience to happen and then it doesn't, it's a distinctly positive feeling. A new study of fear extinction training in mice may suggest why: The findings not only identify the exact population ...

Neuroscience

Why nerve cells in the brain process information differently

The dentate gyrus is the "input point" for the hippocampus part of the brain. It transmits information from the short term memory to the long term. It consists of granule cells, which are especially dense in this area of ...

Immunology

Simulating amino acid starvation may improve dengue vaccines

Eating a low-calorie diet can help you live longer and prevent age-related diseases—and even improve the immune system's function. A new study finds that, in mice, a compound used in herbal medicine can give a similar immune ...

Neuroscience

The brain may actively forget during dream sleep

Rapid eye movement, or REM, sleep is a fascinating period when most of our dreams are made. Now, in a study of mice, a team of Japanese and U.S. researchers show that it may also be a time when the brain actively forgets. ...

page 1 from 23