This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A key contribution of Hermann von Helmholtz to the study of neuron function was A) a mathematical ... (Read 52 times)

audragclark

  • Hero Member
  • *****
  • Posts: 579
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Perkypinki

  • Sr. Member
  • ****
  • Posts: 339
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

  • Member
  • Posts: 579
Reply 2 on: Jun 22, 2018
:D TYSM

bassamabas

  • Member
  • Posts: 294
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

William Masters and Virginia Johnson are among the most influential researchers in the history of th William Masters and Virginia Johnson are among the most influential researchers in the history of th
Antiparkinson Drugs Focus on Restoring Dopamine Function and Blocking Cholinergic Activity in the ... Antiparkinson Drugs Focus on Restoring Dopamine Function and Blocking Cholinergic Activity in the ...
How to find the anti-derivative of a function (Part 1) How to find the anti-derivative of a function (Part 1)
Periodic Function Modelled Periodic Function Modelled
Sketch a graph of the inverse of each exponential function. Sketch a graph of the inverse of each exponential function.
Chloroplast structure and function Chloroplast structure and function
Video: Cellular Defects - Osteoblasts, Osteoclasts and Osteocytes

For a complete list of videos, visit our video library