Neuroanatomy Draw It To Know It

22. Vision 393

Lateral geniculate

nucleus

Optic

nerve

Optic

chiasm

Optic

tract

Superior radiation

(superior retinal image)

Inferior radiation

(inferior retinal image)

Occipital

horn

Meyer’s

loop

Superior

visual

world

Inferior

visual

world

Temporal

horn

Superior

retina

Inferior

retina

(Peripheral) (Central)

Retinotopic organization of

the lateral geniculate nucleus

Peripheral Central

Retinotopic organization of

the primary visual cortex

primary visual cortex

Magnocellular

Layers1, 2

Rods

Y (parasol) cells

Parvocellular

Layers 3 - 6

Cones

X (midget) cells

DRAWING 22-6 Visual Pathways: Sagittal View