Your nervous system is a network that sends signals between your brain and other parts of your body to control your body's movements and processes. This system includes your brain, spinal cord, and ...

Communication between the body and the nervous system is called interoception and it allows the brain to sense internal states, such as hunger, pain, or heart rate. The vagus nerve is an important ...

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.

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 ...

Early signs of a nerve injury are your body’s warning to get help fast. Discover what symptoms to watch for and the minimally ...

Dopamine—a neurotransmitter responsible for influencing motivation, pleasure, mood and learning in the brain—has experienced a bit of fame in recent years, acting as a sort of buzzword to describe a ...

Have you felt butterflies in your stomach or hunger pangs? Those “gut feelings” happen thanks to the vagus nerve, which is a superhighway that connects the brain and the gut. What gives this nerve ...

It can feel overwhelming to understand the wide range of conditions neurologists deal with. Their work spans cerebrovascular problems such as stroke and carotid artery disease, seizure disorders, and ...