Dilated pupils (mydriasis) occur when the pupils open larger than usual. This normally happens in darker lighting to allow more light into the eye, but dilated pupils can also indicate an underlying ...

Dilated pupils (mydriasis or fixed pupils) are when your eyes' pupils, which let light into your eyes, become wider. This can ...

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 ...

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 ...

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New pupillometry research reveals how post-traumatic stress disorder (PTSD) may affect both branches of the autonomic nervous system. By measuring how someone's pupils dilate and constrict in response ...

A 3-year-old girl with an unremarkable medical history suddenly developed dilated pupils and trouble walking, according to a case report in JAMA Ophthalmology. The child was brought in to the ...

In context: Headsets with heads-up displays have been billed as the next big thing in consumer tech for years, and more recently, even as smartphone replacements. But it's 2024, and they still haven't ...

Your eyes don’t lie. When you like someone, you’re drawn to them. Your gaze lingers, and your pupils widen, taking in as much of them as you can. No matter how hard you try to play it cool, this ...