Brain Anatomy and Function

Image of neurons in synapse locations
Bacterial infections can make their way to the brain, where they can linger undetected.
  • BrainFacts/SfN
Brain imaging and computer modeling evidence pinpoints the area of the brain that perceives environmental boundaries — and stops you from running into them.
  • BrainFacts/SfN
Teens’ nocturnal lifestyles are more than a personal preference — dramatic hormonal changes during puberty alter the brain circuits that regulate sleep.
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These proteins are representative of the boundary between the nervous system and the outside world.
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How does your brain switch from walking to running and everything in between?
  • BioInteractive
This short video clip shows fetal cerebral cortex development.
  • BioInteractive
Welcome to the crossroads of the optic nerves.
  • BrainFacts/SfN
Our brains change in subtle but measurable ways as we age, and neuroscientists have a few ideas about why that may be.
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With more than half of its tiny brain devoted to sight, the fruit fly is a favorite animal model for scientists studying the visual system.
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As we age, we can see our hair gray and our skin wrinkle. Less obvious are the changes happening in our brains.
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These bundles form the information cables of your entire nervous system.
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Smelling salts, an old remedy for fainting, are now used by some athletes to trigger alertness. Neurologist Erin Manning explains how they work.
  • BrainFacts/SfN
Memories of failed attempts and false starts while learning to ride a bike may remain, but it likely all feels natural now. For that, you can thank the intricate circuits comprising your nervous system.
  • BrainFacts/SfN

3D Brain

An interactive brain map that you can rotate in a three-dimensional space.