A complex system of nerves and muscles enables the human eye to blink, gaze, and shift focus. The trochlear nerve is one of six cranial nerves that carry electrical impulses from the brain to the eye.

The hypoglossal nerve is one of the 12 cranial nerves arising from the brain. It's a paired nerve, and you have two — left and right. Together, the two hypoglossal nerves control the muscles of the ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. Billions of nerve cells send signals coursing through our bodies, serving as conduits ...

The brain stem is a portion of the brain made of four distinct sections: the diencephalon, mesencephalon, pons, and medulla oblongata. Each of these sections has associated functions which are vital ...

Intravital brain imaging is a powerful method for observing neurons, glial cells, and their surrounding environments in living animals. It facilitates the study of neurological diseases, drug efficacy ...

Researchers have uncovered a completely unexpected way that the brain repairs nerve damage, wherein cells known as astrocytes deliver a protective protein to nearby neurons. Astrocytes are a type of ...