Transcript Visual pathway

Visual pathway
Visual pathway
Lateral Geniculate Nucleus
Image courtesy of Dr. Paul Wellman
Lateral Geniculate Nucleus
Image courtesy of Dr. Paul Wellman
LGN (Lateral Geniculate
Nucleus)
Lateral Geniculate Nucleus
(LGN)
Input & output to and from LGN
LGN has 2 types of main
layers:
• Parvocellular layers
• Magnocellular layers
V1 (Striate Cortex)
Image courtesy of Dr. Paul Wellman
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
Hypercolumn