What happens in the brain of a person with Alzheimer's disease? This tour by the Alzheimer's Association explains how the brain works and how Alzheimer's affects it.

Beginning in the 1940s, Canadian brain surgeon Wilder Penfield mapped the brain's motor cortex -- the area that controls the movement of your body's muscles. Now you can relive his exploration of the brain.

This interactive web resource has articles with photos and demonstrations about how the brain processes information from our bodies, generates thoughts and emotions, stores and recalls memories, and controls movement. Also, watch a video about how scientists store and use donated brain tissue.

Explore the many aspects of sleep and its importance to overall daily function and long-term health.

This booklet describes the symptoms of anxiety disorders, explains the role of research in understanding the causes of these conditions, describes effective treatments, and suggests ways to make treatment more effective.

Although most of us don’t think of it in this way, the related senses of taste and smell help us interpret the chemical world.

There has been no conclusive, scientific evidence that any part of a vaccine causes autism.

You use all of your brain.