I am not sure I get your point. A computer is connected to its surroundings using Ethernet, WiFi, BlueTooth, USB and so forth. But usually speaking, all "nodes" are complex elements. For instance, a computer has a lot of computational power and is equipped with an Operating system, capable of running many programs at the same time. Connected to it are my Bluetooth headphones, which can decode the data stream and convert it into an analog signal to the speakers.
In comparison, a brain is made of neurons connected with each other via synapses. There is basically billions in our brain and they are pretty basic in functionality: they take inputs and produce outputs. A single "node" couldn't decode a stream of data and produce the analog equivalent, it would need a lot more than one neuron.
What is fascinating is that there are actual people with brains implants that are able to control a mouse in a computer. The brain does not need a driver to communicate, it adapts. And at the current rate, computers are not close to being able to connect to something without knowing its nature and "adapt" to it. It needs standards, protocols and they must be rigorously followed.
So my point is very simple: we just don't know how the brains work. Having similarities with a computer doesn't mean it works the same. Identifying the function of a brain section is analog on discovering the law of Electro-magnetism: we know the what, how to use it in our advantage but we don't know why or how.
Here some link that might be useful.
For the rest of your message, I'm not quite sure what you want, about your ideal environment. I have difficulty linking it to the main subject.
I do like your enthusiasm and push towards directing things but just think about for moment you are on a time where there was no computer and a person brings to you a device the simplest and tbe first of its kind a computer, how woild you react and think to it.?
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