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Ascending Visual Pathways

Ascending Visual Pathways - USDapps.usd.edu/coglab/schieber/psyc301/pdf/Ascending... · Ascending Visual Pathways. Retina-LGN-Cortical Route Optic Nerve Optic Chiasm Optic Tract LGN

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Page 1: Ascending Visual Pathways - USDapps.usd.edu/coglab/schieber/psyc301/pdf/Ascending... · Ascending Visual Pathways. Retina-LGN-Cortical Route Optic Nerve Optic Chiasm Optic Tract LGN

Ascending Visual Pathways

Page 2: Ascending Visual Pathways - USDapps.usd.edu/coglab/schieber/psyc301/pdf/Ascending... · Ascending Visual Pathways. Retina-LGN-Cortical Route Optic Nerve Optic Chiasm Optic Tract LGN

Retina-LGN-Cortical Route

Optic NerveOptic ChiasmOptic TractLGN

Superior ColliculusPrimary Visual Cortex

Page 3: Ascending Visual Pathways - USDapps.usd.edu/coglab/schieber/psyc301/pdf/Ascending... · Ascending Visual Pathways. Retina-LGN-Cortical Route Optic Nerve Optic Chiasm Optic Tract LGN

Optic TractsSegregation of the Visual Fields

Page 4: Ascending Visual Pathways - USDapps.usd.edu/coglab/schieber/psyc301/pdf/Ascending... · Ascending Visual Pathways. Retina-LGN-Cortical Route Optic Nerve Optic Chiasm Optic Tract LGN

Lateral Geniculate Nucleusof the Thalamus (LGN)

Page 5: Ascending Visual Pathways - USDapps.usd.edu/coglab/schieber/psyc301/pdf/Ascending... · Ascending Visual Pathways. Retina-LGN-Cortical Route Optic Nerve Optic Chiasm Optic Tract LGN

Primary Visual Cortex (V1)

Page 6: Ascending Visual Pathways - USDapps.usd.edu/coglab/schieber/psyc301/pdf/Ascending... · Ascending Visual Pathways. Retina-LGN-Cortical Route Optic Nerve Optic Chiasm Optic Tract LGN

Retinotopic Layout of V1

Page 7: Ascending Visual Pathways - USDapps.usd.edu/coglab/schieber/psyc301/pdf/Ascending... · Ascending Visual Pathways. Retina-LGN-Cortical Route Optic Nerve Optic Chiasm Optic Tract LGN

Emergent Propertiesof Cortical Cells

Orientation SpecificityBinocularityLocal-to-Global RepresentationDirectional Motion Specificity [MT]

Page 8: Ascending Visual Pathways - USDapps.usd.edu/coglab/schieber/psyc301/pdf/Ascending... · Ascending Visual Pathways. Retina-LGN-Cortical Route Optic Nerve Optic Chiasm Optic Tract LGN

Orientation Selectivity

Page 9: Ascending Visual Pathways - USDapps.usd.edu/coglab/schieber/psyc301/pdf/Ascending... · Ascending Visual Pathways. Retina-LGN-Cortical Route Optic Nerve Optic Chiasm Optic Tract LGN

Orientation Hypercolumn

Page 10: Ascending Visual Pathways - USDapps.usd.edu/coglab/schieber/psyc301/pdf/Ascending... · Ascending Visual Pathways. Retina-LGN-Cortical Route Optic Nerve Optic Chiasm Optic Tract LGN

Orientation Architecture

Page 11: Ascending Visual Pathways - USDapps.usd.edu/coglab/schieber/psyc301/pdf/Ascending... · Ascending Visual Pathways. Retina-LGN-Cortical Route Optic Nerve Optic Chiasm Optic Tract LGN

Binocularity

Page 12: Ascending Visual Pathways - USDapps.usd.edu/coglab/schieber/psyc301/pdf/Ascending... · Ascending Visual Pathways. Retina-LGN-Cortical Route Optic Nerve Optic Chiasm Optic Tract LGN

Cortical Modular Hierarchy