The truth is that there is no fixed value for an action-potential threshold
in neurons. It seems that a number of parameters can alter this value, even
for the same neuron. For a comprehensive, and mathematically sophisticated
review on the matter see:
Johnston, and Wu (1995) Foundations of Cellular Neurophysiology, Chapters
4-7. MIT Press.
Zanos Stavros
Aristotle Univ School of Medicine
Thessaloniki, Macedonia, Greece
