How your breathing pattern has surprising impact on your pupil size
Scientists have long studied the size of our pupils to understand attention, emotion and even medical conditions. But now, ...
The Scientist7y
Pupil Response to an Optical Illusion Tied to Autistic Traits
“We used to think that the pupil was a simple light reflex or that it just indexed arousal,” says Stefan Van der Stigchel, an attention and perception researcher at Utrecht University in the ...
The Conversation22d
Your pupils change size as you breathe – here’s why this new discovery is important
Indeed, this reflex is so reliable that doctors use it to assess brain function. If a pupil fails to react to light, it could signal a medical emergency such as a stroke. However, it is not just ...
Nature1y
Learning from the pupil: the power of pupillometry
Typically, the pupil contracts and dilates depending on the amount of light entering the eye. Neurologists shine light into the eyes of trauma and stroke patients to gauge their light reflex 1 ...
Medical Xpress23d
Breathing and vision may be linked
Pupillary light reflex can be inhibited by multisensory signals Aug 11, 2021 Pupil size during very light exercise predicts benefits to prefrontal function, study shows ...
Hosted on MSN28d
The sun can cause you to sneeze if you have this condition | Hey Ray
When a bright light hits your eyes, your pupils constrict causing a sneeze. They say this reflex usually happens on initial exposure to the sun or a very bright light. If this is something that ...
BBC4y
Coordination and control - The nervous system - Edexcel
The amount of light entering the eye is controlled by a reflex action. The size of the pupil changes in response to bright or dim light. This is controlled by the muscles of the iris.