Understanding of neurons goes wayy beyond that today, see https://en.wikipedia.org/wiki/Hodgkin%E2%80%93Huxley_model https://en.wikipedia.org/wiki/Hodgkin%E2%80

Understanding of neurons goes wayy beyond that today, see https://en.wikipedia.org/wiki/Hodgkin%E2%80%93Huxley_model https://en.wikipedia.org/wiki/Hodgkin%E2%80%93Huxley_model ANNs are abstractions that seem to work. We still don't have a full understanding of how two neurons communicate.