The brain has always been interpreted by the prevailing technology of the day, whether a telephone exchange earlier or a computer today. (or indeed the 'magic' that was the 'technology', before technology)
Look at anything that grows (including the brain) - it certainly unfolds in a predictable manner, but is there a little man guiding it? Look at a flock of birds whirling round and ask who is the leader? There is none, just as there is no little man.
I'm not against the use of the word soul to describe a particular conjoining of neurons, or any of the other words like chakras. But they are only inadequate words to describe complexity.
And of course one can change this complexity in the brain by manipulating your neural networks - by meditating, studying, experience, exercises etc etc.
Perhaps the most extreme example of this is the Skene monks of the Russian Orthodox church. They choose this incredible discipline in order to completely cleanse their minds of everything before. They live alone, far away from the monastery. for many years. They have a shelter and a well. That is all. They 'chain themsleves' to the forest to survive. It is the simplest life of all and filled with constant prayer - and I am mean constant.
At the end of this process - which is slowly disconnecting old neural connections (literally), and reconnecting simplicity - the monk is incredibly pure. These are often the monks (so I've been told) that go out into the world to minister to prostitutes, criminals and murderers. They are so pure that they are untouched by anything they see. You can't be me, I'm taken
Part of my work is translating complex ideas into visuals, and I find that rewarding because you cannot create the visual without understanding the concept. It motivates you to do the work of understanding, instead of being lazy. You can't be me, I'm taken