p068fig02.14 Hodgkin and Huxley developed a model to explain how spikes travel down the squid giant axon.<BR>||  Neurophysiology (single cell): spike potentials in squid giant axon (Hodgekin, Huxley 1952, Nobel Prize).  time -> (dendrites -> cell body -> axon).<BR>C*dp[dt: V] = α*dp^2[dX^2: V] + (V(+) - V)*g(+) + (V(-) - V)*g(-) + (V^p - V)*g^p<BR>g(+) = G(+)(m,h), g(-) = G(-)(n), G^p = const,  [m, h, n] - ionic processes, V - voltage<BR>Precursor of Shunting network model (Rail 1962). (Howell: see p075fig02.24 <A HREF="images- Grossberg 2021/p075fig02.24 Membrane equations of physiology: shunting equation, not additive.png"> Membrane equations of neurophysiology. Shunting equation</a>