How do we recognize objects?
Retinal ganglion cells and LGN = Spots
Primary visual cortex = Bars
How do spots and bars get turned into objects and
Clearly our brains are doing something pretty
From Spots to Stripes
Visual Acuity: Oh Say, Can You See?
What is the path of image processing from the
eyeball to the brain?
Eye (vertical path)
Retinal ganglion cells
Lateral geniculate nucleus
E X A M
S T U D Y
G U I D E
1. How might the phenomenon of lateral inhibition help to accentuate the presence of a border between
light and dark areas?
Lateral inhibition disables the spreading of action potentials from excited neurons to neighboring