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Differences in the hemispheres of the brain
Corpus callosum parts
Corpus callosum parts
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Brain Research
There are many interests in the brain hemispheres. The brain has two hemispheres, which is an important aspect of the brain. Therefor, they are called for the side they are on, like right and left hemisphere of the brain. These two hemispheres, right and left, control the opposite side of themselves, so the right controls the left while the left controls the right. Looking closer at the left hemisphere, if it has been injured, it impairs speech, reading abilities, and more. If the right side gets injured, nonverbal and global activities would be affected.(“Brain”) Overall, the brain has two important hemispheres which interact to help each other.
Although, many researchers and scientists are interested on the inside of the brain, such as the parts.
Besides the brain hemisphere, a lot of attention is directed to the history of the brain itself. It all started in 4000 B.C, when writings were found in the brain. During the 16th and 17th century, scientists became more intrigued by the physical properties of the brain, like the names of all the different parts. As time went on, scientists became more complex
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in their findings, they found much more about the brain, especially the function. The brain is said to be the most complex structure, but least understood how it works. Now that researchers have advanced in their technology, they are allowed to find much more about others brain functioning, like injuries or actions.(“Brain”) All in all, the history of the brain goes way back and now we have improved a lot. Many dates have been memorable because of the significant findings at the time by important scientists.
In the 1900s, research exploded and many findings impacted everyone on the way they think. In 1960, scientists or researchers looked more into the cells of the brain, and found out about how they work around everything. In 1950, they found out about the Corpus Callosum and found out how it functions, they also realized that it provides communication. It also allowed the transmission of memory and learning. Between 1852-1934, Santiago Ramon y Cajal studied neurons and realized the brain was made up of individual units. The most complex researches didn’t begin until the 1960s, though, when they saw the two hemispheres occurring differently.(“Brain”) Briefly, there were many important dates where things were found out that affected people’s
lives. Besides that, there is the human brain, the brain that we mostly think about. Our brain allows us to do much more than just talking, it allows us to live. It provides us with voluntary movement, to go where we choose to. Also gives us access to our memory, language, and personality. We adapt to our surroundings, like a new building because of the way we think, through our own brain. Not only does it provide us with this, but to sum up, it’s the boss of our bodies. The human brain controls almost everything running through your body, even when sleeping. Our brain has different parts that work together to do all these things, so the brain is made up of more than one thing. In all, the human brain gives us access to everything we need to know and do.
Some do not believe that we have a left and right brain. However, A Whole New Mind: Why Right-Brainers Will Rule The Future by Daniel H. Pink explains that the left and right hemispheres of the brain control different abilities. I have learned from this book how society and the economy have shifted from the “Information Age” to a “Conceptual Age,” how the arguments of left brain theorists (L- directed) differ from those of right brain theorists (R-directed), the three A’s of abundance, automation, and Asia, and the six essential aptitudes or “six senses” of Design, Story, Symphony, Empathy, Play and Meaning.
The brain has four major lobes. The frontal lobe, the parietal lobe, the occipital lobe, and temporal lobe are responsible for all of the activities of the body, from seeing, hearing, tasting, to touching, moving, and even memory. After many years of debating, scientist presents what they called the localization issue, Garret explains how Fritsch and Hitzig studied dog with conforming observations, but the cases of Phineas Gage’s accident in 1848 and Paul Broca’s autopsy of a man brain in 1861 really grabbed the attention of an enthusiastic scientific community (Garret 2015 p.6)
The textbook mentioned how it is possible to live with one side of the brain (Lilienfeld et al., 2016). However, I was still a bit confused on this concept because I have always thought that you need both hemispheres working together to function properly. As I watched the TedTalk, I was further able to change my understanding of the concept that you can live with one hemisphere, you would just lose some functions associated with that hemisphere, as Jill explained (Taylor, 2008). Not only that, but from the textbook I never understood how you would feel without one of your hemispheres not functioning properly, I personally thought that you would lose some abilities and it would be difficult to survive. However, the TedTalk changed this understanding of mine because, like Jill, although she lost some functions, she lost all her stresses, and she felt peace, as she states, “So here I am in this space, and my job, and any stress related to my job - it was gone. And I felt lighter in my body. And imagine all of the relationships in the external world and any stressors related to any of those - they were gone. And I felt this sense of peacefulness” (Taylor, 2008). It gave her a whole new world and it never occurred to me that this could happen, so it really expanded on the knowledge obtained from the
Prior to reading this book, I understood that brain structure and function are related; however, I did not realize how damage to the brain could have such widespread, yet restrained, effects. Sarah’s ability to use the entire left side of her body in movement and sensation was greatly compromised by a brain bleed and damage to the right side of her brain, meaning that different structures must have been affected by the damage; however, Sarah is still able to use the left side of her body if she recognizes it is there and concentrates on using it. With brain injury, I did not realize the extent to which injuries differ. Injuries can occur in different scenarios, such as a car accident, and impact all aspects of life, depending on the severity. The difference between whether an injury hinders or disables a person from performing a function lies in where the damage is done and how tremendous the impact is. Sarah’s injury did not disable her from a task such as seeing, but it did hinder her ability to see anything on or surrounding the left side of her body without concentration. In addition, I was unaware of the existence of hemispatial neglect syndrome. It is an interesting concept because although Sarah still had to ability to see and use the left side of her body with concentration, seeing
Nowadays, it is widely known that the right and left hemisphere have different functions. The two hemispheres are equally important in a daily life basis. Nevertheless, in the 1960’s this was not common knowledge. Even though today the importance of the brain hemispheres is common knowledge, people don’t usually know to whom attribute this findings. One of the people who contributed to form a more defined picture about the brain hemispheres and their respective functions was Roger Wolcott Sperry, with the split brain research. Roger Sperry did more contributions than the split brain research, but this is his most important and revolutionary research in the psychological field. Thanks to the split brain research, Sperry proved that the two hemispheres of the brain are important, they work together and whatever side of the brain is more capable of doing the task is the hemisphere that takes the lead.
In 1861 the theory of lateralization of function was expanded with the discovery by Paul Broca of structure in the right hemisphere that controlled speech, this structure is now known as Broca's area Like many other advances in neuroscience this discovery was made possible by an unfortunate stroke victim, who in this case lost his ability to speak. After his death Broca examined his brain and discovered damage in the right hemisphere at this now famous location. This finding was followed soon after by the discovery of an area, also in the right hemisphere, responsible for understanding of written word. This area become know as Wernicke's area named after the man who discovered it by "studying patients with select comprehension deficits" (1) and comparing these deficits with damages to the brain.
Roger Sperry is one of the big Neurobiologists in the 1950’s. Sperry studied the relationship of the right and left hemispheres of the brain. In one of his experiments he flashed the word “Fork” in front of the patient. If the patient was asked to say the word he could not but if asked to right the word he would start to right the word “Fork”. This happed when the two brain hemispheres were disconnected from each other. At an another experiment he placed a toothbrush in the patients left hand and blind folded the patient and was asked to identify it they could not do it. But if placed in the right hand the patient would know right away what it was. That is just one of the types of study he did in his time.
The one instant I can pinpoint as the genesis of my interest in biomedical science was the winter of sixth grade, when I picked up a book on creativity and the brain. I found it fascinating, but what really struck me was that there was a several hundred page book that mostly talked about how little we knew about its topic. It made me think, too. This was supposed to be a book about how much we’ve learned, and what it’s saying is that the progress we’ve made is only in finding out how little we know. This didn’t upset me; it made me curious.
For the most part the brain has been a mystery that is waiting to be
The left and right hemispheres of the brain are each divided into sections. Within each sections are lobes, controlling such processes as our visualization, our movement, and our personalities. For instance, the occipital lobe in the back of our brain is responsible for processing vision, and the frontal lobe behind our forehead controls cognition and personality. The lobes of the brain are split between the right and left hemispheres of the brain. This well-designed arrangement is for the lobes to function correctly, so the two hemispheres of the brain can communicate with one
The area at the front of the brain is the largest. Most of it is known as the cerebrum. It controls all of the movements that you have to think about, thought and memory.
In fact, it is important to understand that: "The brain continues to be a new frontier. Our old way of schooling is fading fast as our understanding of the brain increases. Everything you do uses your brain, and everything at school involves students' brains.
In the video "Powerful Stoke of Insight," Dr. Taylor share a personal story of how she experienced when she had a stoke years ago. She vividly illustrated the distinct functions of left hemisphere and right hemisphere. Since her stoke occurred in the left hemisphere, she had a hard time to process language during the tragic event happened. She was paralysis and could not understand any of the word from 911 telephone operator when she finally reached the phone. According to Dr. Taylor, "Our right human hemisphere is all about this present moment, [and] our left hemisphere thinks linearly and methodically." Due to the reason that her stoke damaged her left hemisphere, she could not think logically at the moment. This presentation thoroughly explain the concept of lateralization in biological psychology research method. I find it very interesting because I never learn that each hemisphere do in charge of different functions that affecting our
...re of the brain is just half of the brain so why is it the only half being explored in school? This failure to confront the other hemisphere causes weakening in the right hemisphere since the right hemisphere isn?t being exercised.
The brain has many interesting features about it. On the exterior part of the brain are gyri, the