Explore Scotoma and the Fascinating Case of Patient D
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Questions and Answers

Which brain area is important for complete visual awareness and the ability to consciously discriminate objects?

  • Superior colliculus
  • Inferior temporal cortex
  • Frontal lobe
  • Visual cortex (V1) (correct)
  • Which brain area is important for orienting to objects even without conscious perception?

  • Inferior temporal cortex
  • Frontal lobe
  • Visual cortex (V1)
  • Superior colliculus (correct)
  • Which type of object recognition assumes that the sensory input defines basic properties that are fit together in a certain way, regardless of viewing position or orientation?

  • Viewer-centered
  • Top-down
  • Bottom-up
  • Object-centered (correct)
  • Which brain area in the fusiform cortex shows a repetition suppression effect, indicating object-centered recognition?

    <p>Left fusiform area</p> Signup and view all the answers

    Which hypothesis suggests that recognition is due to collective activation over many complex feature detectors and explains why we confuse similar items?

    <p>Ensemble coding hypothesis</p> Signup and view all the answers

    Which region of the visual field is affected by a scotoma?

    <p>Peripheral region</p> Signup and view all the answers

    What did the patient D.B. report about his vision after the surgery?

    <p>Blind in the left visual field</p> Signup and view all the answers

    How did patient D.B. react to objects in his left visual field?

    <p>He ignored them</p> Signup and view all the answers

    What is the term used to describe the area where the optic nerve exits the eye and lacks photoreceptor cells?

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

    What could explain the residual visual function observed in D.B.?

    <p>Presence of spared V1 tissue</p> Signup and view all the answers

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