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Visual System Ganglion Cells Quiz

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Questions and Answers

What is the role of intrinsically photosensitive ganglion cells in conscious visual perception?

Visual acuity and visual field mapping

Color vision and depth perception

Peripheral vision and motion detection

Brightness discrimination and contrast detection (correct)

Where do rod bipolar cells primarily send their information before reaching ganglion cells?

Amacrine cells (correct)

Horizontal cells

Bipolar cells

Muller cells

What is the function of the Lateral Geniculate Optic Nerve?

Control eye movements

Transmit visual information to the brain (correct)

Regulate pupil size

Maintain color vision

Where do two optic nerves converge before some fibers cross over at the optic chiasm?

Optic chiasm Signup and view all the answers

What is the primary neurotransmitter released by rod bipolar cells at the synapse with amacrine cells?

Glutamate Signup and view all the answers

What is the main reason behind bistratified ganglion cells not having centre-surround receptive fields?

They receive input from s-cones. Signup and view all the answers

Which type of cells are known to carry the s-cone signal?

Bistratified ganglion cells Signup and view all the answers

What is the characteristic feature of rod pathways that helps in increasing night sensitivity?

Convergence and divergence of cell contact Signup and view all the answers

What is the main role of rod bipolar cells in the rod pathways?

Converge rod information from multiple rods Signup and view all the answers

Which type of ganglion cells are responsible for red/green color comparisons?

L/M opponent ganglion cells Signup and view all the answers

What is the main characteristic of bistratified ganglion cells compared to other ganglion cell types?

Receive input from s-cones and L & M cones Signup and view all the answers

What is the function of the ventral stream in visual processing?

Identifying and recognizing objects Signup and view all the answers

What neurological disorder is characterized by the inability to recognize faces?

Prosopagnosia Signup and view all the answers

In which layers of V1 are colored tuned cells found?

Layers 2/3 within the CO blobs Signup and view all the answers

Which pathway is involved in processing the spatial location of objects relative to the viewer?

Dorsal stream Signup and view all the answers

What is the primary function of the dorsal stream in visual processing?

Processing objects' spatial location relative to the viewer Signup and view all the answers

Which disorder results in an individual's inability to accurately reach or point towards objects under visual guidance?

Optical ataxia Signup and view all the answers