It began five million years ago
Looking at the evolution of our brain, we can see that the evolution of the human brain has always been sluggish for over a thousand years. Similar to an onion, our brain originated from the inside out.
It began five million years ago, the miracle of today's Homo sapiens. With the upright gait he differs from his previous conspecifics and by the rapid growth of the brain, he was quickly superior to his previous relatives.
The growth of the brain was thereby only possible by changing the diet from vegetarian to carnivorous. Because only meat had the proteins and energy quantities, which enabled a fast brain growth.
The growth was rather sudden and not, as Darwin had once assumed, in a slow selection process. About 200.000 years ago the time of the primates and thus the time of the Australopithecus began. The line of Homo originated from this primal ancestor.
Starting with the Homo habilis, which means "the skillful human being", followed by Homo erectus, the first established human being, and finally ourselves, Homo sapiens sapiens, first around 100.000 years ago in Asia and North Africa and circa 40.000 ago Years in Europe. These episodes of evolution led to today's brain mass, which in adults is on average about 1.200 to 1.400 grams.
The training of our brain halves
Starting from the brain stem, the brain has progressively developed to its present size. In particular, the axial division into a right and a left brain is noticeable. The halves of the brain, however, are connected by a so-called middle bar.
Through this connection, the two halves "communicate" with each other.
What are the two halves of the brain?
The left brain is the center for language, digital thinking and mathematics, and the right side ensures that we can get pictures into our heads, develop feelings and realize analogue thinking processes.
The "communication" between these halves is extremely important, because only when this connection is intact, we can think, feel and communicate.
The division of our brain
But how does our brain affect decision-making processes? And how exactly do they go? This bipartition of our brain, 1978 was discovered by Roger Sperry in the US and was the first step towards an allocation of functions in our brain.
In addition, it was also found that in the case of a separation of the middle limb in some epilepsy patients, a noticeable reduction in the symptoms occurred.
What does "operationalization" look like?
As part of a training, I ask the participants from time to time to draw the term "Operationalisierung", that is graphically displayed on a flipchart with the success that until today after 20 years no participant has ever managed this.
The situation is different with the term "tree". Here the participants quickly draw a more or less vivid picture on the flipchart.
It depends on the experience memory
What is the difference between these two terms? The term "tree" is picked up on the left side of our brain via the speech center and sent directly to the right brain via the middle bridge.
There, the right half quickly finds a "picture of experience" in his experience memory - also called extension memory, because so oversized.
If the image is missing in the head
In the case of the term "operationalization" the process is the same, but the right brain can not visualize this concept. It lacks a simple, clear picture in the head, because this word is an abstract concept.
As you can see, our brain must always translate the words heard into images, because pictures say more than a thousand words.
Man is an eye animal
We are "eye-animals", that is, we store almost everything in the form of pictures.
If these pictures are not delivered to us, because, for example, a speaker uses too many foreign words or abstract terms, then we feel bored or even overwhelmed.
Why our brain is unique
Why do some people decide more creatively than others? Ned Herrmann wanted to get to the bottom of this puzzle on the basis of the discovery of the two brain halves - and came to astonishing findings.
He noted that our brain is not only characterized by two halves, but by four areas, which manifest in the course of personal development - the theory of the "unique brain" was born.
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