Sugar for the Brain !
Evolution is such an amazing concept, that its implications are often unfathomable from a distance. Its only with a bit of science that we realize the beauty of the logic behind this most controversial process ever described.
There was once a universe without life. And within this world was a multitude of atoms in clusters of various sizes, strewed all across eternity. Expanding into empty space these clusters did not have anyway to relate to reality, other than the most passive way of just existing. In this world came an extraordinary event. And everything changed after that singular event. No its wasn’t the Big Bang – it was a chance coming together of several atoms in a way that they could replicate their existence from the matter strewn around them. And from there came life …
Life is about organization. It is an example of how from inanimate pieces of matter a pattern of immense value can suddenly come to existence. But the story of evolution is not about the birth of life. Its about what happened after that !
As life “evolved” it got better and better at its inherent objective – to exist. So the permutations and combinations continued till there were multicellular organisms and even then it did not stop. On top of this pile of multicellular organisms evolved another layer of life – it was called consciousness. This was by far the most interesting development from the beginning of time. Conscious life is different from bacteria or other forms of life. Conscious life is a layer of abstraction (to use a technical term). But why is this layer of abstraction exciting ?
To answer that question one needs to understand the “organization” called life. Up until conscious life arrived on the planet everything existed as an experiment. Patterns of DNA competed with each other to be the most successful at continuing to exist. But once there is consciousness the rules change. Now any pattern can become the more “successful” provided it is “valuable” for the conscious life forms. The stage is set for the arrival of the “experimenters” ! Initially this must have been a hindrance to life itself – as the under developed conscious life forms may have actually selected harmful DNA patterns in their naiveté. But as the consciousness evolved so did its alignment with the process of evolution itself.
We have over time learned to select the most correct patterns that help us preserve life. An example of this is the recent world frenzy about global warming. As our science has improved so has our ability to compute future possibilities. In the multitude of outcomes that can result from our present behavior, we have learned to select those outcomes that keep us “safe” from”harm”. In other words we have selected those strategies that give us the best chance to continue existing. Finally our brain has come a full circle.
But is conscious evolution better than the passive one ? It is a question that will be answered in another few hundred years. Passive evolution has happened over eons. Time has been merciful at least on earth. We have been spared calamitous ends by sheer chance ! However conscious evolution will not require as much time. We have already seen how over the past few centuries our abilities have grown exponentially with respect to the passive evolutionary process. It is not far fetched to believe that in another hundred years or so we may be able to “simulate” evolutionary cycles and produce “jumps” in evolution itself. We may be in fact learn to make better versions of ourselves. As well as better versions of organized and “conscious” matter. My belief is that our conscious selection procedures will extend till we manage to create “artificial” intelligence. And after that we may have to just sit down and watch !
For all of you wondering about the title of this post … do you know what is the sugar for your brain ? Sugar is a source of carbohydrates and carbohydrates are the central energy source for most life. Therefore we are “programmed” to like sugar. You will rarely find an individual who hates sugar . Almost no one will turn up their nose in disgust after consuming some sugar ! That is because sugar has a hardwire to our brain. The set of events that happen after we consume sugar release pleasure chemicals like dopamine in the brain. This release can also be achieved by “doing” things like copulation and a multitude of other activities which may have (as yet) unexplained reasons for having a positive impact on our longevity. But these are the passive evolutionary “wires” in our brain. There is another set of wires which are more “active”. These are the learned behaviors. We can program ourselves to please ourselves when we do a certain activity. So for a baby a bungy-jump may be positively scary, but not for the seasoned jumper. The seasoned adventure freak has programmed himself to get a dopamine rush every time he jumps off a high perch. Some of it may be a case of passive evolution at work ( he may have got some “adventure” genes which make him like jumping so much). But most of it is learned behavior. You have only to see the smile on his face when others are cheering “bravo” around him to understand how potent our “conscious” evolution is.
So lets the ask the question to ourselves as a community – what do we want to be the “sugar for our collective brain” ? This question may actually hold the key to unlock our ability to exist as conscious beings beyond the limits specified by the physics of our world !
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You very rightly said, The stage is set for the arrival of the “experimenters”. I liked the mention of learned behaviour. i firmly believe is that we can train ourselves to do more than what we are capable of doing. that is what is called pushing the limit. Only when we enhance our learned behaviour and train our brain program us to achieve more than what we can today. I guess i am gonna start having a little more sugar from now on ;-)