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explain how a light stimulus falling on the retina is transduced into a neural signal and...

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Medical Sciences

explain how a light stimulus falling on the retina istransduced into a neural signal and transmitted to the highercentre of the brain. Include in your answer a description of thereceptors and neural pathways involved.

Answer & Explanation Solved by verified expert
4.0 Ratings (775 Votes)
Visualsensation is a special sensation It requires receptorssensorypathway and brain involvementRods and cones are photoreceptors present in retinallayerVisual pathway starting from retina consists of Opticnerveoptic chaismaoptic tractslateral geniculate bodiesopticradiationsand visual cortexoccipital lobearea 171819Opticberve is the second cranial nerveAxons of ganglion cells formoptic nervesecond order neuronphotoreceptorsbipolar cellsganglion cellsoptic nerveway oftrans mission leading to visual pathwayMain mechanisms involved in physiology of vision areinitiationof    See Answer
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