CHAPTER 52
Guyton Chapters
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Chapter 52: Visual Sensation – Pathway and Cortical Processing (Guyton & Hall)**
This chapter explains how retinal signals travel through the optic nerve, chiasma, tract, lateral geniculate body, and optic radiations to the visual cortex.
It details visual field defects from lesions at different pathway levels and the role of magnocellular vs parvocellular systems.
Visual reflexes (pupillary light reflex, superior colliculus functions) and cortical interpretation of vision are emphasized.