What is the Brain?
Why do humans have a Brain?
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Well according to the Webster-Dictionary the human Brain is a portion of the central nervous system that is composed of neurons, and supporting nutritive structures that are used in integrating information from outside and inside the body to control autonomic function (https://www.merriam-webster.com/dictionary/brain). The Brain is a very specialized organ that controls the entire human body.
. The Human brain is one of the most fascinating organs as well. It is in charge of all of the functions of the human body. Telling the lungs to take in oxygen and telling the heart to beat through electrical stimuli. 
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The human Brain is one of, if not the most important organ that the human body contains. It can even be compared to a computer through all of the process of information transfer through the neurons in the Brain. The Brain is also in charge of memory and cognitive ability. However, in some cases this cognitive/understanding process can be limited by outside forces such as disease and other disorders. So the thing that I found the most interesting was what neuro-scientist Mehdi Oridkhani-Seyedlar had to say on the topic. He did an experiment through the studying of paying attention. He was able to determine that when one is focusing on something through covert attention it stimulates the front part of the brain which is in charge of cognitive ability. It works as a filter allowing for one thing to be focused on at a time. However in people with ADHD this filtering system was not functioning properly. It would not filter the two objects allowing both pieces of information to come in at one causing the lack of focus. However it is interesting that with the use of computes and certain games on the computer one could hone the filtering device and basically train the frontal aspect of the Brain to use the filtering system (https://www.ted.com/talks/mehdi_ordikhani_seyedlar_what_happens_in_your_brain_when_you_pay_attention/transcript#t-373264).The Brain many people believe is for making memories and for formulating thought. Well according to Daniel Wolpert the only reason for having a Brain is to cause movement and which everything is based off of (https://www.ted.com/talks/daniel_wolpert_the_real_reason_for_brains). To a certain extent I can see to this being true because all thought is sparked by movement of electrical currents to neurons, and all movement of the body originates in the Brain. So there for one of the main functions of the Brain is to be the catalyst for all movement and actions that the body under goes.
The Brain is so complicated in all the ways that it functions, and yet its purpose so clear the Brain is many things, and the most important in my opinion is a way to understand life, love, community, and, God.
Sources:
https://www.ted.com/talks/daniel_wolpert_the_real_reason_for_brains
https://www.bing.com/images/search?view=detailV2&ccid=pAixzxTw&id=2BF6FEF26130AD9834C1C31D49B32BFDC811BD7D&thid=OIP.pAixzxTwrFcusfoG-wOjZwHaFj&mediaurl=http%3a%2f%2fimages.iop.org%2fobjects%2fphw%2fnews%2f18%2f5%2f17%2fPW-2014-05-19-Cartlidge-laser.jpg&exph=525&expw=700&q=picture+of+firing+neurons&simid=608009209026776173&selectedIndex=0&ajaxhist=0https://www.ted.com/talks/mehdi_ordikhani_seyedlar_what_happens_in_your_brain_when_you_pay_attention/transcript#t-373264
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https://www.merriam-webster.com/dictionary/brain
https://www.ted.com/talks/daniel_wolpert_the_real_reason_for_brains
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