Authored by: Ayyakkannu Manivannan , Vikki McBain

The Physiological Measurement Handbook

Print publication date:  December  2014
Online publication date:  December  2014

Print ISBN: 9781439808474
eBook ISBN: 9781439808481
Adobe ISBN:


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Visual sensation occurs when physical phenomena (photons) impinge upon the receptor organ, the eye, and give rise to physiological changes within various layers of the retina. The information resulting from these changes (mainly electrical) is processed and passed on to the brain for further processing. Final stimulation in the brain provides the visual sensation.

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