Photic sneeze reflex, artwork C016 / 7700
Wall Art and Photo Gifts from Science Photo Library
Photic sneeze reflex, artwork C016 / 7700
Photic sneeze reflex. Computer artwork representing one explanation for the photic sneeze reflex. About a quarter of the population sneeze when they look at a bright light, such as walking into bright sunlight. This mechanism is known as the photic sneeze reflex and serves no known biological purpose. There are various theories as to the cause. Sneezing occurs in response to irritation in the nasal cavity, which results in stimulation of the maxillary branch (centre) of the trigeminal nerve (yellow) and ultimately triggers a sneeze. One theory suggests that stimulation of the ophthalmic branch (upper centre) of the trigeminal nerve may enhance the irritability of the maxillary branch, resulting in an increased probability of sneezing
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9244257
© CLAUS LUNAU/SCIENCE PHOTO LIBRARY
Branch Branches Light Bulb Maxillary Mechanism Nerve Nerves Neuroscience Ophthalmic Stimulation Stimuli Trigeminal Nerve Bright Light Nervous System
EDITORS COMMENTS
This artwork, titled "Photic sneeze reflex" sheds light on a peculiar phenomenon that affects about a quarter of the population. The image depicts a computer-generated representation of one possible explanation for the photic sneeze reflex, an intriguing response where individuals involuntarily sneeze upon exposure to bright lights. The intricate illustration showcases the complex interplay between various branches of the trigeminal nerve in our nervous system. When irritation occurs in the nasal cavity, it stimulates the maxillary branch (highlighted in yellow), triggering a sneeze. However, this artwork suggests that stimulation of the ophthalmic branch (located at the upper center) may enhance irritability within the maxillary branch, increasing susceptibility to sneezing when exposed to intense light. While scientists have yet to uncover its biological purpose, this artwork highlights how visual stimuli can influence our body's responses. Against a clean white background, delicate branches symbolize nerve pathways while an illuminating light bulb represents bright light as a trigger for this unique reflex. Created by Claus Lunau and available through Science Photo Library, this thought-provoking print merges artistry with biology and anatomy. It invites viewers into the fascinating world of neuroscience and encourages contemplation on how our bodies react to external stimuli like never before seen before.
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