Week 3.1 top-down processing
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Questions and Answers

How is sensory information coded in the brain?

  • As action potentials (correct)
  • As chemical signals
  • As neurotransmitters
  • As electromagnetic waves
  • What would happen if we attended to all possible sensory data?

  • We would gain superhuman abilities
  • We could not function (correct)
  • We would experience heightened awareness
  • We would achieve perfect understanding
  • What is our experience of the world according to the information provided?

  • Completely accurate and comprehensive
  • Dependent on external stimuli
  • Subjective and idiosyncratic (correct)
  • Objective and same for everyone
  • In what form does our brain receive sensory information?

    <p>Action potentials</p> Signup and view all the answers

    Which of the following best describes the nature of perception according to the given information?

    <p>A rapid and unconscious constructive process guided by selectivity</p> Signup and view all the answers

    What is the primary characteristic of perceptual processes according to the information provided?

    <p>Effortless and usually unnoticed</p> Signup and view all the answers

    In what way does the given information suggest that perception is different from conscious thinking?

    <p>It is usually fast and automatic</p> Signup and view all the answers

    What happens when our perceptual processes 'go wrong' according to the information provided?

    <p>We become aware of our perceptual processes</p> Signup and view all the answers

    What can artists, sneaky scientists, and evil lecturers often do to manipulate visual images according to the given information?

    <p>Create illusions to deceive the conscious mind</p> Signup and view all the answers

    How does learned experience contribute to the differentiation of visual stimuli in perception based on the provided information?

    <p>By influencing the constructive nature of perception</p> Signup and view all the answers

    What is a key characteristic of perceptual processing based on the information provided?

    <p>It often relies on sensory information coded in the brain</p> Signup and view all the answers

    In what way can perception be distinguished from conscious thinking as per the given information?

    <p>Perception involves construction of meaning from sensory information, while conscious thinking involves simple data processing</p> Signup and view all the answers

    What specific abilities are spared despite impaired visual object recognition due to damage in certain brain regions?

    <p>Tactile perception</p> Signup and view all the answers

    Which brain regions, when damaged, can result in impaired visual object recognition while leaving sight and visual processing intact?

    <p>Occipital and/or temporal cortex</p> Signup and view all the answers

    What specific aspects of visual processing remain intact despite the impairment in visual object recognition due to certain brain damage?

    <p>Color vision</p> Signup and view all the answers

    What would likely happen if there was damage to the somatosensory cortex in addition to the posterior occipital and/or temporal cortex?

    <p>Impaired tactile perception</p> Signup and view all the answers

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