The Visual System

The Visual System

1. Anatomy

2. Operation and fovea

3. Photodetection

   • Retinal cell types
   • Rods and cones
   • Phototransduction

4. Photoreceptors -> Bipolar cells

   • On/Off pathways

5. Horizontal Cells

   • Lateral sharpening
   • Centre/ surround receptive fields in RGCs

6. Visual processing in the Retina

   • Computations performed
   • Direction selectivity

7. Thalamus and Primary Visual Cortex

   • Organisation of receptive fields in V1
     • Physical map of space
     • Orientation map
       • How is this formed?
   • Higher order perceptions