Vision No.3
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Questions and Answers

What is deuteanomalie?

  • This is when the green cone is functioning
  • This is when the green cone is not tuned properly (correct)
  • This is when the red cone is not tuned properly
  • This is when the red cone is functioning

    • Where is the koniocellular layer?

  • Beneath the magnocellular layer
  • Above the parvocellular layer
  • Between the magnocellular and parvocellular layers (correct)
  • Next to the cornea

    • What is the function of the posterior parietal cortex?

  • integrates sensory info and communicates with the PFC (correct)
  • integrates motor info and communicates with the cerebral cortex
  • integrates vision info and communicates with the left hemisphere
  • integrates sensory info and communicates with the broca's area

    • The orientation contrast model is better than the texton theory because it states that with local contrast you are able differentiate between 2 patterns even if the textons are the same.

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

    What is the function of Pmd (dorsal premotor area)

    <p>External generated actions and preparation of movement</p> Signup and view all the answers

    Denervation or amputation of fingers lead to the representation decreasing for the particular finger. The remaining fingers take over the space. This is evidence for...

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

    The supplementary motor area is responsible for postural stability. It only plans complex sequential movements. It is split into the SMA proper and the Pre - SMA.

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

    Identify the wrong step in associative LTP.

    <p>Na enters the NMDA channel.</p> Signup and view all the answers

    Which of these is NOT a key principle of LTP?

    <p>Strengthening a weak synapse with another weak synapse</p> Signup and view all the answers

    Which 2 areas does the Betz cells connect?

    <p>Premotor cortex and the spinal cord</p> Signup and view all the answers

    Study Notes

    Deuteronomaly and Visual Perception

    • Deuteronomaly is a visual anomaly.
    • The koniocellular layer is a layer in the Lateral Geniculate Nucleus (LGN) of the thalamus.

    Posterior Parietal Cortex

    • The posterior parietal cortex is involved in spatial awareness and attention, guiding movement and action.

    Orientation Contrast Model

    • The orientation contrast model explains how local contrast can differentiate between two patterns, even if they share the same textons.

    Dorsal Premotor Area (Pmd)

    • The dorsal premotor area (Pmd) is involved in planning and executing movements, particularly those that require coordination and precision.

    Neuroplasticity

    • Denervation or amputation of fingers leads to a decrease in representation for the affected finger.
    • Remaining fingers take over the vacant cortical space, demonstrating cortical reorganization and neuroplasticity.

    Supplementary Motor Area (SMA)

    • The supplementary motor area (SMA) is involved in postural stability and planning complex sequential movements.
    • The SMA consists of two sub-regions: the SMA proper and the Pre-SMA.

    Associative LTP

    • A wrong step in associative LTP is not specified in the provided text.
    • A key principle of LTP that is NOT mentioned is not specified in the provided text.

    Betz Cells

    • Betz cells project to two areas: the spinal cord and the cortico-spinal tract.

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