Pupil dilation provides a physiological readout of information gain during the brain's internal process of belief updating in the context of associative learning.

A former pupil at a British school is among the missing after a deadly inferno ripped through a Swiss ski bar on New Years Eve.

Parents should watch for subtle but important symptoms such as frequent eye rubbing, squinting, excessive blinking, or ...

When your life is on the line, your body turns into a very old, very efficient machine. The responses feel dramatic, time ...

An artificial vision sensor inspired by the human pupil adapts automatically to light, maintaining clear perception from darkness to glare and sharply improving recognition accuracy in machine ...

Eye injuries, often caused by foreign body penetration, are common causes of vision loss. Retained foreign bodies can lead to delayed complications but may not always damage the eyeball wall. CT is ...

Objective Pupillary light reflex (PLR) metrics are enhanced in adolescents with concussion. It is not known if these PLR metrics in concussed adolescents return back to the normal range at recovery.

MONDAY, Dec. 4, 2023 (HealthDay News) -- For patients with major depressive disorder (MDD), pretreatment pupillary light reflex (PLR) could predict clinical improvement with repetitive transcranial ...

Introduction: In heart failure (HF) compensatory mechanisms are triggered to maintain adequate cardiac output. Among them, hyperactivation of sympathetic nervous system (SNS) is one of the main ones ...