The brain remains a great unknown.
The brain remains a great unknown, even to its own researchers. The great advances in the neurosciences made today speak more than ever of him, but so much information gave rise to myths or falsities, fruits in many cases of scientific interpretations that, conscious intentionality, have a negative impact on their knowledge.
So he says this in an interview Francisco MoraHe holds a PhD in Medicine from the University of Granada and a PhD in Neuroscience from the University of Oxford on the occasion of the publication of his book Myths and Truths of the Brain. (Paidós), with which he aims to put an end to this confusion about the knowledge of the brain.
"We will never know the intimacy of what our brain is today, we can get the general idea of what it is, and it is what is provided by the current research programs, but trying to understand how it works is like trying to get up off the ground trying to play ". of our shoes, " Weapons the expert, who lists a series of myths and truths that must be known about him:
1.- In particular, to better understand what is being said, Mora explains what the brain is: "It is an organ with a very special evolutionary process: 4 million years ago, when we were chimpanzees, it weighed 450 grams, from there, for the current genetics, gained a kilo of weight, thanks to the passage of Evolution, we acquired the cognitive capacity and the ability to convey emotions and feelings, which is what characterizes us as human beings. "
2. Why is it so important for the functioning of the body? As he points out, the brain is an organ of our body like the liver, or the kidney, for example, but it is the "organizer". "It is an organ that constantly has to be fed by all the chemicals released by each organ of the rest of the body that enter and modulate its function to conform the unity of the organism," indicates
3. Are all brains the same? Is it true that the man and woman of adulthood are different in size? "All brains are different, each one is different from the other, as is every individual on Earth, nor is there a normal brain or a pattern that is, there is no such thing, there is no brain identical to the other.between man and woman, but they are born of the hormonal system that transformed it, " explains to Infosalus.
3.- Do you have the ability to change over a lifetime? Yes, there is what is known as the mutation capacity or the concept of brain neuroplasticity. "The brain is never the same, it changes from minute to minute and changes constantly because we learn and memorize constantly, which changes the physics and chemistry of the brain.
4.- The brain weighs only 2% of the total body, but needs to consume 20% oxygen that we breathe so that the energy necessary for its functioning is produced.
5. Can neurons be created until the end of our days? Yes, we can be born with a series of neurons, between 80,000 and 100,000. But it is true that new neurons can be created in the hippocampus throughout life. Everything is related to the type of memory of things or events that are very close and similar. About 25 to 30 thousand neurons are born every day, although everything depends on the lifestyle, what is eaten, social relations, the exercise that is done and, depending on it, will be born more or less. But they also die, fundamentally because of their lifestyles, "says Mora.
6. Do we use only 10% of our brain capacity? No, gun that is "Absolutely false" and that the human being uses 100% of the brain. "The anatomical totality of the brain is required 24 hours a day to perform the mutable functions attributed to it for the survival of the individual," He is also a professor of Human Physiology at the Faculty of Medicine of the Universidad Complutense de Madrid.
7.- Is it true that the experiences and learnings made during the first 3 years of life determine our future? No, it's another myth. He says that these three years are important, but it has been seen that he is still not able to absorb abstract concepts.
8- And the right brain and the left brain? Mora distinguishes the right, which controls the left motor part of the left part of the brain that controls the right part of the body. "There is a myth that the right part of the brain is holistic, more feminine, art, feelings, the part that sustains creativity. In the meantime, the left is said to be the executive, with whom we write, read, or do the math. But this is not the case. There is no cognitive function on one side of the brain. The corpus callosum, a million bras that pass from one side to the other are constantly informed of what is happening, so the whole brain is a unity, " Note
9. Fundamentally, explicit or episodic memories are stored in the hippocampus, conscious memory. But according to indicates, the memory also changes. "The memory we have about something will probably change what actually happened, and there are different types of memories, the iconic one, for example, that allows us to store a phone number. Note