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, ...

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 ...

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.

Humans are endowed with intrinsic social motivation to interact with others and to maintain social relationships. It has been demonstrated that pupil size may serve as a window for personal ...

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, ...

Amanda Meyer is affiliated with the Australian and New Zealand Association of Clinical Anatomists, the American Association for Anatomy, and the Global Neuroanatomy Network. Monika Zimanyi is ...