New guidance has been issued for clinicians on the determination of brain death, also known as death by neurologic criteria.

Among people who report memory and thinking problems, some show no signs of a problem on standard tests, while others have subtle declines on their

People with early Alzheimer�s disease have difficulty turning when walking, according to a new study using virtual reality.

Researchers have identified a new way of mapping �phosphenes� � the visual perception of the bright flashes we see when no light is entering the