The way people's pupils react when they see other people is an effective way to assess sexual orientation, according to a new study. The reactions of study participants' pupils revealed that ...

The eyes are often referred to as the “windows to the soul.” In fact, there is a grain of neurobiological truth to this. An international research team from the Universities of Göttingen and Tübingen, ...

Researchers from the University of California have found a low-cost, non-invasive method to aid in diagnosing Alzheimer’s Disease (AD) before cognitive decline begins. Given that AD begins to alter ...

Researchers have measured the human pupil upon gaining insight into an object. It is known that pupils dilate/narrow to adjust the amount of light entering the eye and that emotional state affects the ...

Pupils are the black circles located in the center of your iris, or the colored part of your eye. The pupil allows light to enter your eye and often changes in size. When your pupils appear larger, ...

The pupils of our eyes get larger when we are focusing on a task–and the size may give clues about our working memory capabilities, a new study has found. A person's pupils dilate in low-light ...

The iris is a structure behind the transparent cornea of the eye. It has a circular opening called the pupil that changes size in response to the light level. Your pupils are usually the same size as ...

From a scientific perspective, it may sound a bit too fanciful to call our eyes “windows to the soul.” But research suggests that looking into them can, quite literally, offer a peep into a person’s ...

Working memory is one of the brain’s executive functions, a skill that allows humans to process information without losing track of what they’re doing. In the short term, working memory allows the ...