The cerebrum, the largest part of the human brain, is associated with higher order functioning, including the control of voluntary behavior. Thinking, perceiving, planning, and understanding language all lie within the cerebrum’s control.

Considered the most common mental illnesses, anxiety disorders affect an estimated 18 percent of the adult population in a given year, or 40 million Americans.

To be able to see anything, eyes first need to process light. Vision begins with light passing through the cornea.

From remembering a friend's face to figuring out where you left your keys, the act of memory has many dimensions.

The messages sent from one brain cell to another are the basis of brain function. Brain cells communicate through both electrical and chemical means.

Scientist targeted by animal rights activists asks about the ethics of inaction.

In response to signals from a brain region called the hypothalamus, the adrenal glands secrete glucocorticoids, hormones that produce an array of effects in response to stress.

Much faster than a traditional MRI, MEG can be used to provide even more information about brain activity.

Insulation covering wires preserves the strength of the electrical signals that travel through them. The myelin sheath covering axons serves a similar purpose.

Molecules that are important in brain development may help treat or prevent brain injuries and disorders.