Visual System Ganglion Cells Quiz
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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?

    <p>Optic chiasm</p> Signup and view all the answers

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

    <p>Glutamate</p> Signup and view all the answers

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

    <p>They receive input from s-cones.</p> Signup and view all the answers

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

    <p>Bistratified ganglion cells</p> Signup and view all the answers

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

    <p>Convergence and divergence of cell contact</p> Signup and view all the answers

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

    <p>Converge rod information from multiple rods</p> Signup and view all the answers

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

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

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

    <p>Receive input from s-cones and L &amp; M cones</p> Signup and view all the answers

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

    <p>Identifying and recognizing objects</p> Signup and view all the answers

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

    <p>Prosopagnosia</p> Signup and view all the answers

    In which layers of V1 are colored tuned cells found?

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

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

    <p>Dorsal stream</p> Signup and view all the answers

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

    <p>Processing objects' spatial location relative to the viewer</p> Signup and view all the answers

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

    <p>Optical ataxia</p> Signup and view all the answers

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