If you like this, there is a book about the complexity of a single neuron of the brain "Information Processing in Single Neurons" [1].

[1] https://www.amazon.com/Biophysics-Computation-Information-Co...

Only an observer of the topic but I think it is good to review Koch's book about the real complexity of a single neuron [1].

[1] https://www.amazon.com/Biophysics-Computation-Information-Co...