Hormones are important messages both within the brain and between the brain and the body.

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

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.

The human brain — a spongy, three-pound mass of tissue — is the most complex living structure in the known universe.

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

Neuroscientists believe that the brain can remain relatively healthy and full-functioning as it ages.

One of the most common and least understood neurobiological disorders, Tourette syndrome is an inherited disorder that affects about 200,000 Americans. Males are affected three to four times as often as females.

Use interactive tools to see your child's brain development from the inside.

The brain uses a variety of chemicals called neurotransmitters to communicate between brain cells.

Medical professionals have come to rely on even more specialized forms of the MRI machine, each suited to spotting specific warning signs.