Medications, trauma, and medical conditions can cause miosis or constricted pupils. Seek emergency help if you experience signs of a stroke, like confusion or trouble speaking. A healthcare provider ...

New pupillometry experiments show that silent inner speech produces lower and sometimes opposite pupil-linked brain arousal ...

New findings from researchers at UCLA Health suggest that measuring changes in how pupils react to light could help predict recovery from depression and personalize transcranial magnetic stimulation ...

Movie demonstrating the increase in accommodative eye vergence and pupil constriction when the fixating eye (left side of image, right eye of subject) is exposed to -5D defocus. The occluded eye ...

The pupil is not a part. It is a hole, and the only reason ...

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 blue glare illusion was perceived to be brightest and caused larger pupil constriction The Department of Computer Science and Engineering at Toyohashi University of Technology formed a research team ...

The association between perceived glossiness and pupillary response has previously been elucidated through a collaborative effort involving the Cognitive Neurotechnology Unit and the Visual Perception ...

May 28, 2010 (Philadelphia, Pennsylvania) — In an effort to find discrete phenotypic features that are consistently present in autistic populations, researchers at the University of Missouri Thompson ...

Researchers measured people's perceived brightness and pupillary response after viewing glare illusions presented in a variety of different colors. A glare illusion is an optical illusion that has a ...