The chief commander of our central nervous system is the Human brain. It contains billions of neurons each connected to other neurons by synapses. They communicate via axons that take the messages to our body cells. Our brain has unique capabilities to acquire, understand, process and store information.
Brain researchers are quite familiar and familiar with the operations of individual brain cells, however , they still do not really understand the way brain cells cooperate in groups of millions of cells.
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A few would consider the brain to be like a biological computer, however this presumption and modelling is far from truth and cannot simulate the complexity of the brain.
The basic brain functions such as breathing, regulating heart beats, managing movement and other basic skills were known to scientific researchers from fossil records first appeared in worms numerous million years ago. Since then our mind went through evolution processes of obtaining more and more sophisticated functions and exclusive abilities. These abilities include amongst others emotional, sexual and fighting behaviours located in newly evolved brain locations.
The brain needs continuous supply of oxygen and glucose for its function. These types of needs are supplied by the blood system. Our brain needs its nourishments like the rest of our body. That is why we feel at our best psychological function after a healthy meal or slow and tired when we avoid eat sufficiently on time or consume unhealthy food.
Our brain’s primary energy source is carbo fuel. Our body has the capability to convert carbohydrates from meals such as oatmeal or brown grain into glucose. Accordingly, we have to produce a daily supply of about 60% of our own calories from carbohydrates.
To build neurotransmitters or chemicals that allow brain cells to communicate, our human brain needs protein, such as: egg white, seafood or beans. Our body breaks down the protein into amino-acids which usually affect our cognition and mood, such as dopamine, which help us to be alert. In addition to protein, our brain needs fatty acids, which are generated from Omega-3&6 fatty acids, olive oil and whole grain. Our brain also needs a selection of vitamins and minerals such as vitamins B, E, magnesium, calcium and iron. To obtain those vitamins we have to eat fresh new food in various colors.
Brain capability is unknown. We know that our brain have a lot of storage capacity and processing power, but we can’t say for sure how to estimate its actual capability. A popular assumption is that our brain’s capacity is 10 times more than anybody’s estimate.
Our brain includes trillions of neurons, with a large numbers of complex interconnections. What differ from brain-to-brain are the types of neurons as well as the specific neurochemical interaction among the neurons. It is interesting to note that the construction of clusters of neurons and their specific interconnections may have an effect on one’s ability to learn plus an influence on speed of understanding and reaction time to mental stimulations.
At birth, our brain is very plastic, that is, its capability to process and store sensory details is very high. Neuronal connections are generated, broken and regenerated, which suggests that early educational and environment stimulations are essential for the child’s development. This is the critical period of the development of the particular child’s linguistic, cognitive and social abilities. A classical question is whether the infant brain is empty, a tabula rasa, at birth. The Ancient greek philosopher Aristotle (fourth century W. C. E. ) was probably the first to introduce the tabula rasa (blank slate) idea. According to the tabula rasa theory, an baby’s brain is empty of mental content, which is acquired later with experience and understanding.
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