Neuroplasticity and Brain Recovery Quiz
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Questions and Answers

What kind of sensations can occur in a phantom limb?

  • Only intense pain
  • Both tingling and intense pain (correct)
  • Only tingling sensations
  • Neither tingling nor pain

    • Which body part can a phantom sensation spread to during sexual arousal?

  • Genitals (correct)
  • Ears
  • Fingers
  • Toes

    • How can painful phantom sensations be relieved?

  • By learning to use an artificial limb (correct)
  • By focusing on the sensation
  • By ignoring the sensation
  • By taking pain medication

    • What happens when a person loses peripheral vision?

    <p>They start to move their head from side to side</p> Signup and view all the answers

    What happens to the brain areas after decades without normal input?

    <p>They retain their original properties</p> Signup and view all the answers

    What can cause damage to the sensory nerves from a forelimb to the spinal cord?

    <p>A spinal cord injury</p> Signup and view all the answers

    What effect do cannabinoids (marijuana) have on the brain after a stroke?

    <p>They decrease the release of glutamate.</p> Signup and view all the answers

    What is one evolutionary explanation for human goosebumps?

    <p>They are a remnant of a protective mechanism from our hairy ancestors.</p> Signup and view all the answers

    How can serum albumin help reduce morbidity in patients with acute stroke?

    <p>By reducing the volume of infarct and edema.</p> Signup and view all the answers

    What is the role of astrocytes in scar tissue?

    <p>They release chemicals that keep nearby neurons alive.</p> Signup and view all the answers

    What is the relationship between the frontal parts of the brain and impulse control?

    <p>The frontal parts of the brain inhibit impulses.</p> Signup and view all the answers

    What role does the entorhinal cortex play in relation to the hippocampus?

    <p>It sends input to the hippocampus.</p> Signup and view all the answers

    What happens when axons from the entorhinal cortex of one hemisphere are damaged?

    <p>Axons from the other hemisphere sprout and take over vacant synapses, restoring behavior.</p> Signup and view all the answers

    What occurs when the entorhinal cortex is damaged in both hemispheres?

    <p>Axons from other locations sprout, conveying different information, interfering with behavior.</p> Signup and view all the answers

    What is denervation supersensitivity, and how does it help compensate for decreased input?

    <p>It is a process where receptors become more sensitive to a neurotransmitter due to decreased input.</p> Signup and view all the answers

    What happens when axons to the muscles of the eye regenerate but attach incorrectly?

    <p>Both b and c are correct.</p> Signup and view all the answers

    What happens to cortical information that previously responded to information from a specific finger after amputation?

    <p>It is lost after amputation.</p> Signup and view all the answers

    What is responsible for pain in the context of treatments that facilitate the regrowth of axons in a damaged spinal cord?

    <p>All of the above.</p> Signup and view all the answers

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