Atmospheric Specialisation

One Brain or Two?, Michael Gazzaniga and Roger W. Sperry explore the independent abilities of the two hemispheres in the brain, the left and right, by studying split-brain patients and their responses to certain tests. The tests are designed to examine the mental and perceptual capacities of the split-brain patients. With careful placement of objects or pictures, the first test measures the visual abilities of the patients. The second test measures the tactile cognition abilities of the patients by allowing them to feel an object behind a screen, then asking them to name the object. The third and more challenging test combines the visual test and tactile test to measure the auditory abilities of the patients. Each of these tests shows the different ways that the brain works in split-brain and normal brain humans alike.

The human brain is a wondrous invention that has many scientists and researchers very busy to this very day. There are numerous qualities about the brain humans know about, yet there are still a great number of mysteries to the brain and how it functions left to be discovered and shared. Some facts scientists do know about the brain is that it is divided into to primary sections, called hemispheres. Each person has a left and right hemisphere of the brain. Each hemisphere is in charge of specific abilities, tasks, and functions. This paper will review what each hemisphere is responsible for and describe ways that each hemisphere is predisposed to learn.

Right hemisphere specialises in special judgements and the left can describe its perceptions in words. Normally they work together as one.

Using a real human brain, Dr. Taylor explained the separation of the brain’s right and left hemispheres. The two cerebral cortices are completely separate from one another, but maintain communication via the corpus callosum. She described the right hemisphere as a parallel processor, thinking in images and learning from body movement. The right hemisphere is responsible for gathering sensory input, in the form of energy, from the environment around us. The left hemisphere, according to Dr. Taylor, is a serial processor, interpreting the sensory information gathered by the right hemisphere. The sensory information is analyzed and categorized by the linear and methodical thinking of the left hemisphere. Dr. Taylor believes the left hemisphere is responsible for interpretation of the past and future, as well as, an individual’s self-awareness. The

The book starts with the Chapter Right Brain Rising describing hemisphere of left brain and right brain. According to Pink the left brain hemisphere is consistent of logistic, literal and analytic personal whereas right brain is for holistic reasoning, body language, patterns recognitions and emotions. He carefully pointed out that the term L-Brain

The results of this study show us the brain is not in fact symmetrical and the two hemispheres in the brain work in different ways. The left hemisphere is known to play the dominant role, which is in control of all complex behavioural and cognitive processes as for the right hemisphere it only plays a minor role. This report will further analyse how different the two hemisphers is the dominant side of the brain.

In spite of this when glancing further into the human mind, both hemispheres share special lobes which each possess distinct abilities. Firstly, there is the frontal lobe which can be located at the foremost part of the skull and manages a persons emotions, reasoning, problem solving, speech and movement (motor cortex). Secondly is the temporal lobe that can be pinpointed near the bottom of the skull right above the cerebellum, and has to do with the perception and recognition audio stimulants and memory (hippocampus). Next is the occipital lobe found at the very back of the skull, as it handles an individuals many aspects of vision. Lastly, there is the parietal lobe that takes charge of the perception of stimuli like touch, temperature,

Left-right brain dominance is about the fact that the distinct hemispheres influence thinking. The left hemisphere is associated with logical, analytical thinking and a linear approach to problem solving. The right hemisphere is associated with creative, intuitive and value-based thought process. It is important to note that everyone uses its both hemispheres, but to varying degrees. Four quadrants of the brain, related to different thinking style, have been identified:

This field focuses on the biological aspect of human behavior and effects of foreign substances on the brain. More importantly, they study how the brain develops and functions. Research on the hemispheres can help draw conclusions to a biological reason why some people may be more left or right directed thinkers and possibly find ways to help those who are lacking in skills derived from each part of the brain. This is especially helpful for those whose brains may be impaired on one or both sides and may have problems fully understanding things like language and context (20). Research on the brain itself can lead to a deeper understanding of the mind.

In general, the brain is thought to be lateralized with the two hemispheres having control of the opposite side of the body and their own functionalities. In this case, the left hemisphere dominates in language and verbal capabilities controlling the right side of the body including the right visual field. Using this fact and the difference in visual fields, subjects were asked to focus on a flashing screen with a pulsating plus sign. Vertically oriented words would flash on either the left or right side of the plus sign in order to isolate individual hemispheres. The time to correctly identify the words was recorded and compared between the left and right visual fields as well as between males and females. In this case, there was a significant difference between visual fields with the right side being significantly faster at processing words. In addition, males showed greater differences between visual fields when compared to females. These findings suggest that the right hemisphere is more selective in word processing and that males are more lateralized than females.

The research conducted by Roger W. Sperry began in the 1960’s and dealt solely with the cerebrum. Before this time, society only understood the left hemisphere of the brain to be dominant over the right hemisphere. In this understanding, the cerebrum was composed of two halves, which were referred to as the hemispheres. The cerebrum consisted of the two hemispheres and millions of nerve fibers that allowed each hemisphere to distinguish what occurred in the other hemisphere. In the same sense, it was understood that although both the left and right hemisphere were the same in structure, their functions differed.

If I suffered from a massive stroke in The left hemisphere of my brain, my life would change in many ways. According to the book, “The left hemisphere handles math, logic analytical thought, and most of the language

While studying epilepsy, Roger Sperry found that cutting the corpus callosum, which connects the two parts of the brain, help reduce seizures. However, patients who had the corpus callosum cut, reported having organizational and spacial problems. He discovered that while both sides of the brain were separated from each other, they continued to run, however were independent of each other. While conducting his experiments on the patients, he found that the left-side of the brain was used to process language. Sperry believed that the right brain was best at creative and intuitive activities, while the left brain worked better with critical thinking and logic. Today, we have found that people use both sides of the brain together to complete tasks,

The brain is split into the right hemisphere, and the left hemisphere. The right side of the brain controls the muscle on the left side of the body, and vice versa. Studies show that people with a higher dominance of the right side to the brain tend to comprehend visual

In my trials, I found that when the word flashed in the patient’s right visual field, and they were instructed to use their right hand to fetch the object, they were able to correctly identify the word and fetch the correct object. This is because the patient was able to use their left brain to process the word and then control the right hand to fetch the object. When a word flashed in the patient’s left visual field and they were instructed to use their left hand to fetch the object, the patient used their right brain to control their left hand to fetch the object, but they had trouble processing/verbalizing the word the saw, because they didn't use their left brain.