Working memory plays a pivotal role in our day-to-day functions. It's an essential brain skill that helps us manage and ...

Is a concussion considered a traumatic brain injury? A concussion is a brain injury ... There is no one-size-fits-all answer for diagnosing concussions. Every brain injury is unique, so doctors ...

For over a century, scientists believed that light, focus distance, and cognitive effort were the main forces behind changes in pupil size. But a new discovery adds breathing to that list.

Our eyes offer clues about our mental health. Changes in pupil size may signal stress or neurological issues. Mehezabin Dordi from Sir HN Reliance Foundation Hospital highlights this connection.

Every time you move your eyes or blink, your pupils "reset", leading to small changes in their size over the course of a second or two. In their new paper, Mather and Cavanagh provide compelling ...

Scientists have long studied the size of our pupils to understand attention, emotion and even medical conditions. But now, new research has surprisingly revealed that they change size in sync with ...

Researchers at Karolinska Institutet in Sweden have discovered a fundamental mechanism that affects the size of the pupil, namely our breathing. The study, published in The Journal of Physiology ...

A person’s pupils may be of different sizes (anisocoria) for several reasons, including physical trauma, response to light, and infection. The condition may also be present from birth.

The size of our pupils fluctuates as we breathe. They are at their smallest as we start to breathe in, increase steadily to reach their largest size when we are in the middle of breathing out ...

The eyes may be the window to the soul, but the pupil is key to understanding how, and when, the brain forms strong, long-lasting memories, Cornell researchers have found. By studying mice equipped ...

A stage of sleep – reflected in the size of our pupils – is important to committing recent memories to the brain, which could be manipulated to improve cognitive function and even identify ...

The study, published in the journal Nature on Wednesday, says that pupil size is key to understanding how, and when, the brain forms strong, long-lasting memories. Researchers at Cornell ...