UNDATED (WKRC) - Pupil size is related to intelligence. That's according to a study published in Scientific American, with work conducted at the laboratory at the Georgia Institute of Technology.

The size of your pupils varies throughout the day, but most people’s pupils fall within a particular size range. We’ll look at when and why your pupils change size. First, the range of “normal” pupil ...

Please provide your email address to receive an email when new articles are posted on . Smaller pupil area measured in patients with acute HF was predictive of all-cause mortality and HF readmission, ...

Our eyes are more than just windows to the world—they're also mirrors to our minds. Here is an interesting fact that you will ...

Pupils are a rich source of social information. Although changes in pupil size are automatic and uncontrollable, they can convey interest, arousal, helpful or harmful intentions, and a variety of ...

It is commonly known that pupil size fluctuates in response to brightness and darkness during wakefulness. What is less commonly known is that pupil size is also regulated by the autonomic nervous ...

You have probably heard the saying that the eyes are the windows to the soul, but now it turns out that they are also connected to how we breathe. Scientists have long studied the size of our pupils ...

It has been said that “the eyes are the window to the soul,” but new research suggests that they may be a window to the brain as well. We first uncovered this surprising relationship while studying ...

Qlosi demonstrated consistent pupil size reduction and increasing rates of near visual acuity in patients with presbyopia ...

Arousal is a fundamental part of how our brain keeps us alert, engaged, and responsive to the world around us. It is controlled by networks deep in the brainstem, like the locus coeruleus (LC), which ...

When the orexin neurons in the brain are stimulated, pupils expand, new research in mice shows. Orexin is central to the regulation of pupil size. When the orexin system is switched off, the pupils ...