Neuroethics will draw from the experience of bioethics in handling scientific communication with the media and responsible transfer of knowledge from basic science to profit-driven venture.

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

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

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.

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

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

Optical imaging relies on shining weak lasers through the skull to visualize brain activity. These techniques are inexpensive and relatively portable. They are also silent and safe: Because only extremely weak lasers are used, these methods can be used to study everyone, even infants.

Researchers throughout the world are pursuing a variety of new ways to repair or replace neurons and other cells in the brain. For the most part, these experimental approaches are still being worked out in animals and cannot be considered therapies for humans at this time.

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

A stressful situation activates three major communication systems in the brain, all of which regulate bodily functions.