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.

A study led by Ryan V. Raut, an instructor in WashU Medicine Mallinckrodt Institute of Radiology, has shown that it is ...

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 ...

Picture this, if you will: Aphantasia can be detected with an eye-opening look into our pupils. To first gauge the pupillary reflex of non-aphantasic people, the researchers sought 42 study ...