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Author Question: In 1870, Fritsch and Hitzig reported that electrical stimulation of the ________ in dogs resulted in ... (Read 178 times)

SGallaher96

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In 1870, Fritsch and Hitzig reported that electrical stimulation of the ________ in dogs resulted in muscle contractions of ________.
 
  a. pineal gland; the facial muscles
  b. parietal cortex; the opposite side of the body
  c. corpus callosum; both hind legs
  d. primary motor cortex; the opposite side of the body
  e. globus pallidus; the same side of the body

Question 2

In his studies of nerve conduction velocity, Hermann von Helmholtz noted that
 
  a. electrical signal speeds differ from nerve to nerve.
  b. nerve conduction velocity is at the speed of light.
  c. nerves conduct signals faster than do electrical wires.
  d. the velocity of nerve conduction is slower in nerves than in wires.
  e. different sensory systems use different conduction speeds.



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chreslie

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Answer to Question 1

Answer: d. primary motor cortex; the opposite side of the body

Answer to Question 2

Answer: d. the velocity of nerve conduction is slower in nerves than in wires.





 

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