17 Questions
What is the role of intrinsically photosensitive ganglion cells in conscious visual perception?
Brightness discrimination and contrast detection
Where do rod bipolar cells primarily send their information before reaching ganglion cells?
Amacrine cells
What is the function of the Lateral Geniculate Optic Nerve?
Transmit visual information to the brain
Where do two optic nerves converge before some fibers cross over at the optic chiasm?
Optic chiasm
What is the primary neurotransmitter released by rod bipolar cells at the synapse with amacrine cells?
Glutamate
What is the main reason behind bistratified ganglion cells not having centre-surround receptive fields?
They receive input from s-cones.
Which type of cells are known to carry the s-cone signal?
Bistratified ganglion cells
What is the characteristic feature of rod pathways that helps in increasing night sensitivity?
Convergence and divergence of cell contact
What is the main role of rod bipolar cells in the rod pathways?
Converge rod information from multiple rods
Which type of ganglion cells are responsible for red/green color comparisons?
L/M opponent ganglion cells
What is the main characteristic of bistratified ganglion cells compared to other ganglion cell types?
Receive input from s-cones and L & M cones
What is the function of the ventral stream in visual processing?
Identifying and recognizing objects
What neurological disorder is characterized by the inability to recognize faces?
Prosopagnosia
In which layers of V1 are colored tuned cells found?
Layers 2/3 within the CO blobs
Which pathway is involved in processing the spatial location of objects relative to the viewer?
Dorsal stream
What is the primary function of the dorsal stream in visual processing?
Processing objects' spatial location relative to the viewer
Which disorder results in an individual's inability to accurately reach or point towards objects under visual guidance?
Optical ataxia
Test your knowledge about ganglion cells in the visual system, including concepts such as colour-opponent receptive fields and bistratified ganglion cells. Explore how these cells are sensitive to differences in the wavelength of light and their roles in processing red/green and blue/yellow information.
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