The trochlear nerve is the fourth of 12 cranial nerves that emerge from the brain and extend down the head, neck, and torso. Cranial nerves help control sensory innervation: i.e., the ability to ...

It also carries motor signals from your brain to your legs that help you move your hips and thighs. The obturator nerve plays an essential role in many bodily functions and movements.

Scientists have created an incredibly detailed 3D brain map of a fly’s brain, and it’s probably one of the coolest things that you’ll see this year. While it might not be a map of the human ...