Often considered the most important sense for humans, hearing allows us to communicate with each other by receiving sounds and interpreting speech.

HIV attacks the immune system’s cells that help protect the body from infection and can also lead to severe neurological disorders.

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.

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

From the first large studies monitoring the mental functioning of the same group of healthy humans over many years, scientists have uncovered unexpected results.

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.

PET is one of the most important techniques for measuring blood flow or energy consumption in the brain. This method of measuring brain function is based on the detection of radioactivity emitted when positrons, positively charged particles, undergo radioactive decay in the brain.

Our best insights into how the normal brain ages come from long-term studies of the nervous system that began decades ago.

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