Tsukuba, Japan—In a study conducted by researchers from the University of Tsukuba to identify activation of the arousal system, it was found that even very light intensity exercise elicited pupil ...

The study, led by researchers from UNSW Sydney and published in eLife, found that the pupils of people with aphantasia did not respond when asked to imagine dark and light objects, while those without ...

Many factors can influence pupil size. Typically, the pupils open up in low light situations to let in more light. However, some research suggests that attraction and mood might also cause pupil ...

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 ...

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 ...

The COVID crisis throws into relief what happens when grief has—quite literally—nowhere to go. The evidence suggests that most people summon strengths that surpass their own expectations. Source: ...