Lesions to the Visual Pathway EXPLAINED

The video provides a comprehensive review of the visual pathway, explaining how vision travels from visual fields to brain cortices. It covers the structure of the retina, optic nerve, and optic chiasm, detailing the crossover of visual information. The role of the lateral geniculate nucleus and optic radiations in processing visual data is discussed. The video also examines the effects of lesions at various points in the visual pathway, including the retina, optic nerve, and optic tracts, and how these affect visual fields, leading to conditions like hemianopia.

What is the pathway of vision from the visual fields to the brain?

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How do visual field deficits relate to lesions or injuries in the visual pathway?

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Explain the significance of the optic chiasm in the visual pathway.

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What is the function of the extra genicular pathway in visual processing?

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What is the role of the lateral geniculate nucleus in the visual pathway?

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What happens to visual fields when there is a lesion in the temporal retina?

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Describe the difference between monocular scotomas and bitemporal hemianopia.

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How do optic tract lesions affect visual fields?

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What are the consequences of a parietal radiation lesion on visual perception?

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Explain the concept of contralateral homonymous hemianopia.

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