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Visual pathway
Visual pathway
Lateral Geniculate Nucleus




Image courtesy of Dr. Paul Wellman
Visual pathway
Visual pathway
Lateral Geniculate Nucleus




Image courtesy of Dr. Paul Wellman
LGN (Lateral Geniculate
       Nucleus)




Lateral Geniculate Nucleus
(LGN)
Input & output to and from LGN
Visual pathway
LGN has 2 types of main
           layers:
• Parvocellular layers
• Magnocellular layers
V1 (Striate Cortex)




Image courtesy of Dr. Paul Wellman
Visual pathway
V1




LGN
Shifting the location of a needle
              slightly




        Inserting a
        needle,
        shifting its
        location
        slightly and
        examining the
        response of the
        neurons
Ocular dominance columns




Visual information
from different eyes
is stored in
separate columns
in an alternate
manner
Visual pathway
Hypercolumn
Visual pathway

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Visual pathway