Brain Basics

Brain Basics

The brain is the most complex part of the human body. This three-pound organ is the seat of intelligence, interpreter of the senses, initiator of body movement, and controller of behavior. Read Brain Basics pages to learn more about how the brain works, and its important role in human health.


Brain Basics: Know Your Brain
Brain Basics: The Life and Death of a Neuron
Brain Basics: Understanding Sleep
Brain Basics: Preventing Stroke