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Effect of stroke on memory
Essay left and right brain
Essay left and right brain
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I think therefore I am...not “I think therefore I am” said René Descartes in his “Discourse on the Method” (Descartes 1637). A fairly self evident statement that says because I think I exist. By our very act of thinking we provide evidence of our existence. But Jill Bolte Taylor, in her video presentation on TED.com, adds to that idea with the notion that via purely right brain thought “I think therefore I am not”. Neuroanatomist Jill Bolte Taylor gives a detailed and sometimes moving description of the morning that she suffered a stroke in the left hemisphere of her brain. During the course of the talk she first explains to us that our left brain is a serial device, working through things logically, one step at a time. That the left brain concerns itself with the past, and the future. The left brain also sees ourselves as unique individuals, placed into a 3d space where we interact with the rest of the world as a distinct entity, separate and apart from other objects. But our right brain, she goes on to explain, is much more abstract and tends to see ourselves as just bundles and collections of energy, easily at one with the energy of the rest of the world, not unique and independent, but part of a much larger whole. At one point during her presentation she describes leaning against the wall of her home and watching with wonder as her arm begins to intermingle with the wall (Taylor 2008). Her statements are supported by left/right brain lateralization studies (the differences in how our left and right brains function and how each processes information and stimuli (Meyers 2009)), that show that each half of our brain performs certain tasks better than does its next door neighbor. The left brain excels at math and science... ... middle of paper ... ...sciousness available through the right brain as described by Jill Bolte Taylor. References Descartes, René (1910). The Harvard Classics Five-Foot Shelf of Books – French and English Philosophers Charles W. Eliot LL D (Ed.). Discourse on the Method (pp 28) New York, NY, P F Collier & Son (original work published 1637) Meyers, David (2009). Psychology in Everyday Life New York, NY, Worth Publishers Morris, Rich (2005-2007). Left Brain, Right Brain, Whole Brain. Retrieved from http://www.singsurf.org/rightbrain.php Taylor, Jill Bolte (Presenter). (filmed 2008, Feb., posted 2008, Mar.). TED Talks. Jill Bolte Taylor's Stroke of Insight. Retrieved from http://www.ted.com/talks/lang/eng/jill_bolte_taylor_s_powerful_stroke_of_insight.html Charles Milam Psych 2301-015 February 17, 2010
The author explains that in many businesses, abilities associated with the left side of the brain used to matter the most. These include lin...
Derek Parfit, one of the most important defender of Hume, addresses the puzzle of the non-identity problem. Parfit claims that there is no self. This statement argues against the Ego Theory, which claims that beneath experience, a subject or self exists. Ego Theorists claims that the unity of a person’s whole life including life experiences is also known as the Cartesian view, which claims that each person is a “persisting purely mental thing.” Parfit uses the Split-Brain Case, which tells us something interesting about personal identity, to invalidate the Ego Theory. During the Split Brain procedure, there are neither ‘persons’ nor ‘persons’ before the brain was split. Within the experiment, the patient has control of their arms, and sees what is in half of their visual fields with only one of their hemispheres. However, when the right and left hemisphere disconnect, the patient is able to receive two different written questions targeted to the two halves of their visual field; thus, per hand, they write two different answers. In a split brain case, there are two streams of consciousness and Parfit claims that the number of persons involved is none. The scenario involves the disconnection of hemispheres in the brain. The patient is then placed in front of a screen where the left half of a screen is red and the right half is blue. When the color is shown to one hemisphere and the patient is asked, “How many colors do you see,” the patient, with both hands, will write only one color. But when colors are shown to both sides of the hemisphere, the patient with one hand writes red and the other writes blue.
Carr mentions the affect that technology has on the neurological processes of the brain. Plasticity is described as the brains response through neurological pathways through experiences. The brain regions “change with experience, circumstance, and need” (29). Brain plasticity also responds to experiences that cause damage to the nervous system. Carr explains that injuries in accidents “reveal how extensively the brain can reorganize itself” (29).I have heard stories in which amputees are said to have a reaction to their amputated limb; it is known as a phantom limb. These types of studies are instrumental in supporting the claim that the brain can be restructured. Carr asserts that the internet is restructuring our brains while citing the brain plasticity experiments and studies done by other scientists. I have experienced this because I feel like by brain has become accustomed to activities that I do on a regular basis. For example, I rarely realize that I am driving when coming to school because I am used to driving on a specific route.
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)
In the Ted Talk, “My stroke of insight”, the speaker Jill Bolte Taylor, a neuroanatomist had undergone a stroke affecting her left hemisphere. During this process she was able to experience her brain deteriorating slowly and she was able to study it. She explains how she wanted to become a brain researcher because of her brother’s brain condition, schizophrenia. During the TedTalk she also explained her whole experience, including what it felt like, her emotions, and the world around her while having a stroke as well as the difficulties that she had encountered. Jill explains this experience as a tremendous gift.
Scientists are on the brink of doing the unthinkable-replenishing the brains of people who have suffered strokes or head injuries to make them whole again. If that is not astonishing enough, they think they may be able to reverse paralysis. The door is at last open to lifting the terrifying sentence these disorders still decree-loss of physical function, cognitive skills, memory, and personality.
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.
The left-brain / right-brain theory believes that different people are either more dominant using the left hemisphere or the right hemisphere of the brain. According to this theory, analytical, detailed, and logical are all considered common traits of a left-brained learner. Deliberate, original, and creative, are all how right-brained learners may be described (Rodgers).
I know that my mind exists, because I am here to question its existence. To concreteize this idea, imagine a house and you are building a house on the ground which you see. The house is built out of wood, metal, and earth on the ground. Does the house exist because of the materials used to build it, or because your mind tells you that it exists? Well based on Descartes, there are no such things as wood or metal in reality because the only thing that is real is the mind itself and the built house is a figment of your mind to what you perceive as real, better known as an illusion.
Two-way interactive dualism accurately describes the connections between our bodies and minds because we can see they causally affect each other. As a result, we as human beings cannot always determine what physical state we are in, but we always know where we stand
Descartes, René (1596-1650). Trans. Donal A. Cress. Discourse on Method. Indianapolis: Hackett Publishing Company. 4th Ed, 1998.
Moore, Brooke Noel., and Kenneth Bruder. "Chapter 6- The Rise of Metaphysics and Epistemology; Chapter 9- The Pragmatic and Analytic Traditions; Chapter 7- The Eighteenth and Nineteenth Centuries." Philosophy: the Power of Ideas. New York, NY: McGraw-Hill, 2011. Print.
Ed. Michael Goldman. Teaching Philosophy 36.2 (2013): 181-82. Print. The.
Well, let's take a look at the brain. From being in class, my awareness about what I'm doing, what I'm seeing, what I'm hearing, what I'm thinking has come to reflect upon not just what, but how is it all being done by my brain. This morning I woke up, my eyes opened, I looked out my window, I saw the sun rising, it was this beautifully deep yellow/orange color. I thought, "How beautiful" and I smiled with a sense and feeling of wonderment. It could be said that I experienced nothing out of the ordinary this morning. Yet, if I could narrate these few activities in terms of the networking of neurons resulting in my eyes opening, my sight of the sun, my ability to perceive its color, my inner acknowledgment of its beauty and the emotions that sight evoked in me, you would be reading for a very long time and what I did this morning would indeed present itself in quite an extraordinary light. It is in recognition of this, with respect to the brain's aptitudes, that Howard Hughes in his paper, "Seeing, Hearing and Smelling the World" quoted May Pines in expressing, "We can recognize a friend instantly-full face, in profile, or even by the back of his head. We can distinguish hundreds of colors and possibly as many as 10,000 smells. We can feel a feather as it brushes our skin, hear the faint rustle of a leaf. It all seems so effortless: we open our eyes or ears and let the world stream in. Yet anything we see, hear, feel, smell, or taste requires billions of nerve cells to flash urgent messages along linked pathways and feedback loops in our brains, performing intricate calculations that scientists have only begun to decipher"(1).
To fully understand what we currently know about consciousness, we need to take a look at what scientists have uncovered about the human brain and its role in it.