In the rodent family tree, deer mice separated from the ancestors of house mice and rats about 25 million years ago. By some ...

Researchers have identified a key neural switch that controls whether animals instinctively flee from a threat or freeze in ...

A new study reveals how evolution fine-tunes instinctive fear responses by tweaking a key neural switch deep in the brain.

Neanderthal genes may explain why some people have Chiari malformation type I, a condition in which the brain bulges out of ...