Targets of the Optic Tract Question and answers 100% correct 2024
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Course
WGU C909
Institution
WGU C909
Targets of the Optic Tract Question and answers 100% correct 2024 Targets of the Optic Tract: Lateral Geniculate Nucleus and Nonthalamic Targets
What is the optic radiation?
The projection of axons to the primary visual cortex by neurons in the lateral geniculate nucleus (LGN)
Besides inne...
Targets of the Optic Tract: Lateral
Geniculate Nucleus and Nonthalamic
Targets
What is the optic radiation?
The projection of axons to the primary visual cortex by neurons in the lateral
geniculate nucleus (LGN)
Besides innervating the lateral geniculate nucleus (LGN) of the dorsal
thalamus, what are the other 2 structures that a very SMALL amount of optic
tract axons innervate (less than 20%)?
Hypothalamus and midbrain
The projections of axons that go from the optic tract to the hypothalamus are
important for _____
Synchronizing sleep and wakefulness with the daily dark-light cycle
There are 2 projections of axons that go from the optic tract to structures in
the midbrain. What structures do they go to?
Pretectum and superior colliculus
The projections of axons that go from the optic tract to the pretectum control
what?
The size of the pupil and certain types of eye movement
, The projection from the retina to the superior colliculus is called the
Retinotectal projection
The retinotectal projection is important for
Moving the eye and the head in response to new stimuli in the visual
periphery in order to focus the light on the fovea
The inputs from the optic tract that go to the superior colliculus help with
Non-conscious sight and visual reflexes
What is the other name for the superior colliculus?
Optic tectum
How many lateral geniculate nuclei are there?
2, right and left
What part of the thalamus are the lateral geniculate nuclei located in?
The dorsal thalamus
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