Talk:Saltatory conduction

message: It seems that the following quote from the article is wrong. 
The speed of the signal from one node to another is the speed of the induced electromagnetic wave, that is, the speed of light in interaction with transparent materials like the cytoplasm (~100.000.000 metres per second). 
I'm quoting from "Textbook of Medical Physiology", 11ed, by Guyton and Hall, page 68:
The velocity of conduction in nerve fibers varies from as little as 0.25 m/sec in very small unmyelinated fibers to as great as 100 m/sec (the length of a football field in 1 second) in very large myelinated fibers.
Furthermore, on the same page there is an illustration that shows the flow of electrical current in the axoplasm of a myelinated axon. Clearly, electrical current in the axoplasm does not have the speed of light because it is affected by drifting ions.
--82.81.69.96 (talk) 17:28, 14 April 2009 (UTC)
thread_title:  Speed 

message: I added a diagram of the structure of the neuron to make this page a bit more understandable without reading other articles.
Ideally, someone would make an animation like this: http://www.brainviews.com/abFiles/AniSalt.htm
or this: http://www.edumedia-sciences.com/en/a503-saltatory-conduction
or this: http://faculty.stcc.edu/AandP/AP/AP1pages/nervssys/unit11/saltator.htm
with an open license.
--Bcjordan (talk) 16:58, 12 September 2009 (UTC)
thread_title:  Added neuronal diagram 

message: Relative to the mechanism of saltatory conduction, would it be accurate to say that electrotonic conduction is involved in causing a voltage at one node to affect the next node, and thus that saltatory conduction is a combination of the action potential and electrotonic conduction?75.6.227.116 (talk) 08:47, 27 March 2011 (UTC)
replies: text: Let me repeat this question: One thing that I have not understood and that I would expect the WP Page to answer is: What is flowing along the axon between two Ranvier gaps? is this electric current (electrons) or electroionic current (ions)?--84.176.40.141 (talk) 11:11, 5 October 2011 (UTC)
replies: text: It's what the first post in this thread said: the voltage extends from one node of Ranvier to the next, where it regenerates an action potential. --Tryptofish (talk) 21:24, 7 October 2011 (UTC)
replies: text: This didn't answer the question. How voltage "extends" to the next node? By diffusion of positive ions throw the axoplasm? The diffusion rate is fast enough? Witch force arrange the diffusion?  — Preceding unsigned comment added by 200.153.26.195 (talk) 15:03, 9 May 2015 (UTC)

text: Flowing is a word more associated with conduction, which this is not. It is propagation of charges, facilitated by ion flux.Mea (talk) 01:10, 6 May 2014 (UTC)
thread_title:  Electrotonic conduction involved? 

message: Is the primary mode of reaching resting membrane potential following hyperpolarization not the activity of inward rectifier potassium channels? It appears that the intent of the statement in the article is to indicate that the decreased non-insulated surface area (of ion channel-rich membrane) decreases the amount of energy dependent active transport for maintenance of constitutive resting potential (ie independent of action potential). Perhaps this section could be rephrased to disambiguate the statement.  — Preceding unsigned comment added by 66.243.219.231 (talk) 22:20, 7 December 2016 (UTC)
thread_title:  Energy Efficiency 

message: Transmission lines can contain parallel conductance and capacitance increasing signal propagation velocity and decreasing intensity. The ion channels providing parallel conductance could require editing or elaboration to the quotes "...Regenerating the action potential...", "...Thus refreshing the signal" and "...without any degradation of the signal..."
Dromine86 (talk) 06:23, 21 August 2017 (UTC)
thread_title:  Signal propagation velocity and intensity