Introducing the Brain

A Complex Communication Network

The Last Frontier: From Bumps to Brain Scans

Neurons and Neural Communication

Just the Basics

Processes Inside the Neuron

Communication Between Neurons

Neurotransmitters and Behavior

Agonists and Antagonists

The Supporting Systems

The Spinal Cord and Simple Reflexes

What Lies Beyond: The Peripheral Nervous System

The Endocrine System and Its Slowpoke Messengers

The Amazing Brain

Right Brain, Left Brain: The Two Hemispheres

The Split-Brain Operation

The Special Roles of the Left and the Right

Neuroplasticity

The Cortex: A Peek Beneath the Skull

The Lobes: Up Close and Personal

Digging Below the Cortex

Drama Central: The Limbic System

Deeper Yet: The Brainstem and Cerebellum