Cornell University researchers have found that the pupil is key to understanding how, and when, the brain forms strong, long-lasting memories. By studying mice equipped with brain electrodes and tiny ...

One evening in 1960, the psychologist Eckhard Hess was at home, flipping through a book of “strikingly beautiful animal photographs.” His wife commented that the light in the room must be dim, because ...

The pupillary light response helps our eyes see the world around us in various lighting conditions ranging from bright, sunny days to dark, moonlit nights. Like a camera's aperture, this adaptive ...

Our eyesight declines with age and poor lighting or strong contrasts between light and dark can limit the ability of older people to react in everyday life, resulting in a negative impact on the sleep ...

ITHACA, N.Y. – Cornell University researchers have found the pupil is key to understanding how, and when, the brain forms strong, long-lasting memories. By studying mice equipped with brain electrodes ...