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Author Question: A key contribution of Hermann von Helmholtz to the study of neuron function was A) a mathematical ... (Read 59 times)

audragclark

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on: Jun 22, 2018
A key contribution of Hermann von Helmholtz to the study of neuron function was
 
  A) a mathematical formula to describe the conservation of energy.
  B) a theory of black-white vision.
  C) his invention of the ophthalmoscope.
  D) measuring the conduction speed through nerves of the action potential.
  E) his creation of the ablation method.

Question 2

Electrical stimulation of the ________ in dogs was shown by Fritsch and Hitzig in 1870 to result in ________.
 
  A) pineal gland; contraction of the facial muscles
  B) parietal cortex; the sensation of high frequency sound
  C) corpus callosum; paralysis of both hind legs
  D) primary motor cortex; muscle contraction on the opposite side of the body
  E) left globus pallidus; atrophy of muscles on the right side of the body


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Perkypinki

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: D
Rationale: A key contribution of Hermann von Helmholtz to the study of neuron function was his measurement of the conduction speed through nerves of the action potential.

Answer to Question 2

Answer: D


audragclark

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Reply 2 on: Jun 22, 2018
Excellent

chjcharjto14

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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