Podcast
Questions and Answers
What happens to light from objects in the extreme periphery of the visual field at points A and F?
What happens to light from objects in the extreme periphery of the visual field at points A and F?
- It is detected in both eyes
- It is reflected back towards the object
- It is blocked by the nose and detected only in the ipsilateral eye (correct)
- It is absorbed by the nasal cavity
Where does the superior colliculus contain a complete visual representation?
Where does the superior colliculus contain a complete visual representation?
- Both eyes equally
- Ipsilateral eye
- Contralateral eye (correct)
- Nasal hemiretina
How do RGCs from the nasal hemiretina project in terms of direction?
How do RGCs from the nasal hemiretina project in terms of direction?
- In an orderly manner to the contralateral side of the brain (correct)
- They do not project
- To the ipsilateral side of the brain
- In a random manner
Where do axons from RGCs that are activated by light from the same object converge?
Where do axons from RGCs that are activated by light from the same object converge?
What can drive neurons at point B in the superior colliculus?
What can drive neurons at point B in the superior colliculus?
At which locations in the superior colliculus do cells respond to light input only from the contralateral hemiretina?
At which locations in the superior colliculus do cells respond to light input only from the contralateral hemiretina?
What happens when light from objects in the extreme periphery of the visual field reaches points A and F?
What happens when light from objects in the extreme periphery of the visual field reaches points A and F?
What happens to light input from objects in the extreme periphery of the visual field reaching points A and F?
What happens to light input from objects in the extreme periphery of the visual field reaching points A and F?
Where do axons from RGCs in either eye that are activated by light from the same object converge?
Where do axons from RGCs in either eye that are activated by light from the same object converge?
What type of representation of the visual field does the superior colliculus contain?
What type of representation of the visual field does the superior colliculus contain?
At what locations in the superior colliculus do cells respond only to light input from the contralateral hemiretina?
At what locations in the superior colliculus do cells respond only to light input from the contralateral hemiretina?
Which area of the brain receives orderly projections from nasal hemiretina's RGCs?
Which area of the brain receives orderly projections from nasal hemiretina's RGCs?
What happens when neurons at point B in the superior colliculus are recorded?
What happens when neurons at point B in the superior colliculus are recorded?
Where do RGCs from the temporal hemiretina project in terms of direction?
Where do RGCs from the temporal hemiretina project in terms of direction?
What drives neurons at point B in the superior colliculus?
What drives neurons at point B in the superior colliculus?
What happens if neurons at points A or F in the superior colliculus receive light input?
What happens if neurons at points A or F in the superior colliculus receive light input?
What can drive neurons at point B in the superior colliculus?
What can drive neurons at point B in the superior colliculus?
From which locations in the visual field is light blocked by the nose, preventing detection by the contralateral eye?
From which locations in the visual field is light blocked by the nose, preventing detection by the contralateral eye?
What is the main role of the superior colliculus in relation to visual processing?
What is the main role of the superior colliculus in relation to visual processing?
Which statement accurately describes the pathway followed by RGCs from the nasal hemiretina?
Which statement accurately describes the pathway followed by RGCs from the nasal hemiretina?
At what point in the brain can neurons receive input from both eyes for light originating from the same object?
At what point in the brain can neurons receive input from both eyes for light originating from the same object?
What happens at locations A and F in the superior colliculus regarding light input?
What happens at locations A and F in the superior colliculus regarding light input?
Which location receives input from objects in the extreme periphery that is detected only in one eye?
Which location receives input from objects in the extreme periphery that is detected only in one eye?
What can drive neurons at point B in the superior colliculus?
What can drive neurons at point B in the superior colliculus?
Which type of retinal ganglion cells project to the ipsilateral side of the brain?
Which type of retinal ganglion cells project to the ipsilateral side of the brain?
Which type of retinal ganglion cells project to the contralateral side of the brain?
Which type of retinal ganglion cells project to the contralateral side of the brain?
What is the purpose of the orderly point-to-point neuronal projections from the visual brain area to the visual brain area?
What is the purpose of the orderly point-to-point neuronal projections from the visual brain area to the visual brain area?
What is the purpose of the visuotopic map in the superior colliculus?
What is the purpose of the visuotopic map in the superior colliculus?
What happens to light input from objects in the extreme periphery of the visual field reaching points A and F in the superior colliculus?
What happens to light input from objects in the extreme periphery of the visual field reaching points A and F in the superior colliculus?
Where do axons from retinal ganglion cells that are activated by light from the same object converge?
Where do axons from retinal ganglion cells that are activated by light from the same object converge?
What type of retinal ganglion cells respond to light input only from the contralateral hemiretina?
What type of retinal ganglion cells respond to light input only from the contralateral hemiretina?
What can drive neurons at point B in the superior colliculus?
What can drive neurons at point B in the superior colliculus?
Which area of the brain receives orderly projections from the nasal hemiretina's retinal ganglion cells?
Which area of the brain receives orderly projections from the nasal hemiretina's retinal ganglion cells?
What is responsible for maintaining the orderly location of the retinal ganglion cells in the retina?
What is responsible for maintaining the orderly location of the retinal ganglion cells in the retina?
What is the purpose of the visuotopic map in the superior colliculus?
What is the purpose of the visuotopic map in the superior colliculus?
