Circular (sphincter) fibers are innervated by parasympathetic neurons to constrict the pupilRadial fibers are innervated by sympathetic neurons to dilate the pupilSympathetic innervation of the pupilParasympathetic innervation of the pupilMacular vision is most posteriorPeripheral vision is most anteriorInferior visual field goes to calcarine gyrusSuperior visual field goes to lingual gyrusVisual Pathways Summary:NSC 4366 1nd Edition Lecture 15Outline of Last Lecture I. HypothalamusOutline of Current Lecture II. VisionThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute. Circular (sphincter) fibers are innervated by parasympathetic neurons to constrict the pupil Radial fibers are innervated by sympathetic neurons to dilatethe pupilSympathetic innervationof the pupilVisual Pathways:• Macular vision is most posterior• • Peripheral vision is most anterior•• Inferior visual field goes to calcarine gyrus• Superior visual field goes to lingual gyrusParasympatheticinnervation of the pupilVisual Pathways
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