1. Central Visual Pathways
S. J. Potashner, Ph.D

2. Projections of Retinal Ganglion Cells
neuro4e-fig jpg

3. The Thalamus

4. Retinal Ganglion Cells
80%
LGN
Hypothalamus
& Pretectum
Superior
Colliculus

5. The Inverted Retinal Image
The Visual Field
The Retinal Image

6. Each Visual Hemifield Is Projected To The Opposite Hemisphere
L R A B C A C B

7. Projections Of Lateral Geniculate Neurons
L R D D E

8. Cells Representing Movement and Form
Retina
Lateral
Geniculate
Nucleus
Primary
Visual
Cortex
10%
80%

9. Two Visual Pathways in Association Cortex

10. Organization Of Primary Visual Cortex
1. Ocular Dominance b

11. Organization Of Primary Visual Cortex
2a. Form Vision

12. Organization Of Primary Visual Cortex
2b. Form Vision
Orientation
Position
Direction
Simple Cell
Complex Cell

13. Organization Of Primary Visual Cortex
2c. Orientation Columns of Simple Cells

14. Organization Of Primary Visual Cortex
2b. Form Vision
Orientation
Position
Direction
Simple Cell
Complex Cell