Opt 114 visual pathway: optic radiations, primary visual cortex

what are the optic radiations made of

lateral geniculate nucleus axons

what does each optic radiation carry information from

ipsilateral temporal and contralateral nasal retina

where do optic radiation fibers terminate

primary visual cortex

how many divisions of optic radiation fibers are there

3

what are the divisions of optic radiation fibers

superior, inferior, macular

what is another name for the superior fibers of the optic radiations

parietal fibers

what is another name for the inferior fibers of the optic radiations

temporal fibers

what is the path of the superior fiber optic radiations

through the parietal lobe

where do the superior fibers of the optic radiations terminate

cuneus gyrus

what is the path of the inferior fibers

loop anteriorly through the temporal lobe then posteriorly

where do the inferior fibers of the optic radiations terminate

lingual gyrus

what do the inferior fibers form in the temporal lobe

meyer's loop

what divides the lingual and cuneus gyrus

calcarine fissure

what structure is above the calcarine fissure

cuneus gyrus

what structure is below the calcarine fissure

lingual gyrus

where are the macular fibers of the optic radiations

between superior and inferior fibers

what is another name for the primary visual cortex

visual cortex, striate cortex, brodmann area 17

where is the primary visual cortex

most posterior aspect of the occipital lobe

where does the primary visual cortex extend

medial surface of each hemisphere

the primary visual cortex borders what

calcarine fissure

each primary visual cortex receives fibers from what

ipsilateral temporal and contralateral nasal retina

what fibers terminate at the most posterior aspect of the cortex

macular/central retina

how much of the visual cortex do the macular fibers take up

1/3

what fibers take up the anterior cortex

peripheral retinal fibers