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 23 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
Wow, this really help

LVPMS

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

How the study of genomes and proteomes can provide us with connections to different biological level How the study of genomes and proteomes can provide us with connections to different biological level
Proteomes and their relationship to cell structure, function, and organization. Proteomes and their relationship to cell structure, function, and organization.
Leonardo da Vinci, Study of Human Proportion: The Vitruvian Man. Leonardo da Vinci, Study of Human Proportion: The Vitruvian Man.
How to shift and reflect a square root function using transformations How to shift and reflect a square root function using transformations
Sensory receptor synapses with first-order sensory neuron Sensory receptor synapses with first-order sensory neuron
Genome annotation of predicted biological function Genome annotation of predicted biological function
Video: Rena arc construction

For a complete list of videos, visit our video library