Pupil dilation may signal deception. The autonomic nervous system regulates pupil size. Pupil dilation normally indicates an increase in cognitive demand. Liars usually experience an increase in ...

Subtle pupil dilation and changes in expression have been found to be a new way for medical professionals to detect tinnitus. For the first time, it provides a reliable test to help determine the ...

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

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, ...

Discover how raw eye-tracking data can be transformed into effective cognitive load indicators, providing insights into how ...

His gaze softens as he draws closer to you. With one hand around your waist and the other cradling your jaw, he pulls you in. You look into his eyes, and notice his pupils have grown large and hungry.

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 ...

You might be aware that Polygraphs are used to detect if someone’s lying, the technology was invented in 1921 and has been the standard for deception detection ever since. However, Xiaomi’s new patent ...