Neural Pathways and Processing in the Visual System: From Retina to Primary Visual Cortex, Exercises of Human Biology

An overview of the neural pathways and processing stages in the visual system, from the retina to the primary visual cortex. Topics include the role of the optic nerve, optic chiasm, optic tract, lateral geniculate nucleus (LGN), superior colliculus, primary visual cortex (V1), and the emergent properties of cortical cells such as orientation specificity, binocularity, local-to-global representation, and directional motion specificity. The document also touches upon the retinotopic layout of V1 and the concept of orientation hypercolumn and architecture.

Typology: Exercises

2021/2022

Uploaded on 09/12/2022

astur
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Visual Pathways

Retina-LGN-Cortical Route Optic Nerve Optic Chiasm Optic Tract LGN Superior Colliculus Primary Visual Cortex

Lateral Geniculate Nucleus of the Thalamus (LGN)

Primary Visual Cortex (V1)

Emergent Properties of Cortical Cells Orientation Specificity Binocularity Local-to-Global Representation Directional Motion Specificity [MT]

Orientation Selectivity

Orientation Architecture

Binocularity