Completely Random?

One of the main problems that we, as humans, the "intelligent" animals, have continuously developed throughout our change and evolution, through the interactions of the different networks available inside our brains, is the dimensional closed-mindededness, or the lack of ability to increase our range of processing the knowledge of different topics and levels of matters in the universe we're living in, and considering more facts about how everything works. And as it seems, this greatly affects the way in which we make life-changing decisions throughout our lives, therefore, there cannot be any question about its impact.

Humans, as another endless form of simple species living in an ordinary universe, in general, cannot leave the insignificant locality, and consider a more general totality (which can be assumed to be ever-expanding, and continuously happening).
Obviously, there have been changes in the lives of the modern generations, but the problem is still alive.

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Since most of the advances, and technologies, achieved in the past decades have been based on practices in complex and advanced mathematics, it is easier to model, study and analyse the way they have been affecting our behaviour, mind, and really the changes of the structures in our brains, during this time. It is easier to formulate a rational and logical pattern and concept as the reasons behind how we, humans, behave, decide and act in rather predictable ways, in most cases.

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When we learn, when we, the intelligent animals, save a memory, (and in other words, come to a judgmental or well-thoughtout conclusion about any type of incident), we create, change or suppress networks inside our heads.
Using a certain part of the brain is equal to having more electro-chemical reactions circulating, in various forms and shapes, (?) in that certain region. Better-kept networks perform better towards their purpose.