The illusion that is the singular self can run separate perspectives concurrently (sic., driving while self assembling a story narrative in the mind)
The random layperson's mind is a hodgepodge of their development. A well trained mind can compartmentalize, become sensitive to the slightest internal cognitive dispositions, and self specialize in ways you will accuse of being science fiction.
> A single “dictator neuron” can take charge of complex behaviors
My term for this theory is "Brain Pilots": https://breckyunits.com/brain-pilots.html
Now that's one extreme, the all commanding cell. It's also self-evident that cells aren't some 'set of equals' commune. Of course there are master cells that activate other cells in certain conditions. This is seen even in our deep learning nets where you may have a "I see a cat" neuron and "I see a dog" neuron that triggers the response program for those things.
That's all to say, reality is a place in between
I don't know much about neuroscience but right now democracy seems like a very nervous system.
I've never seen this happen and I can't imagine anyone in the present day using "government" to describe "organized decision making."