Motor Cortex Function Quiz
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Questions and Answers

Which area of the frontal lobe is responsible for requiring the least amount of electrical current to elicit movement?

  • Supplementary motor areas
  • Motor cortex on each side of the brain
  • Primary motor cortex (M1) (correct)
  • Premotor cortex
  • Where do the majority of descending motor tracts decussate before passing down to the spinal cord?

  • Thalamus
  • Medullary level (correct)
  • Pons
  • Cerebellum
  • Which side of the brain is affected by a lesion or damage that produces paralysis on the right side of the body?

  • Right side of the brain
  • Frontal lobe
  • Temporal lobe
  • Left side of the brain (correct)
  • Which area of the frontal lobe encodes complex patterns of motor output requiring higher levels of electrical current for stimulation?

    <p>Supplementary motor areas</p> Signup and view all the answers

    Where is the primary motor cortex located?

    <p>Precentral gyrus</p> Signup and view all the answers

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