This essay The Social Brain has a total of 2923 words and 13 pages.
The Social Brain
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The ability of humans to learn and retain knowledge is an incredible power source and also a dominant characteristic of the human species. The intricate abilities of the mind allow for humans to learn skills and to have the power to control and dominate the world they live in by means of learned behavior. The two cerebral hemispheres of the left and right specialize in motor and sensory skills which specialize the socialy established beliefs and behaviors unique to humans. In writing The Social Brain Michael Gazzaniga proclaims an understanding of the principle of both the right and left brain hemispheres by examining split brain patients. Gazzaniga believes in cognitive dissidence and studies the modularity of the brain structure. The modularity is the independent functional traits that contribute to the skills and tools of language and writing. The contribution of individual modules is evident in the perception of a human belief system and the evolution of the sophisticated civilized life of a human being. The two cerebral sides of the brain operate with their own selective areas of domination, but depend on eachother for reference, information, and influence which yields continuation of human evolution of increasing brain activities.
Michael Gazzaniga writes chronologically as he studies the aspects of a split brain and the distinct behavior that humans have developed unique cognitive styles and the brain modules allow them for infer and differentiate . Gazzaniga believes that the “free will” of humans allows the species to choose and control their environment. The progress of his studies of the split brain, is by isolating the separate hemispheres to see if one influences the other. The interests of his studies of the effect of the sensory abilities of both the right and left hemisphere takes him around the world. The course of the book covers the studies of a lifetime from an inquiring student about the possibilities of a full functioning split brain, to an established professor with a belief in a cognitive theory. Gazzaniga introduces the structure of the brain and a foundation of the function and place in the evolution of the present human being. Through documented
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experiments, Gazzangia attempts to isolate the left hemisphere of the brain to examine the power of the modules and the importance of the capability of humans to infer and comprehend a variety of information.
Gazzangia uses trial and error experiments of stimuli and response to test his hypothesis of the split brain. A brain can only be changed at an early age by altering physical properties of the brain drastically changed. A split brain is defined by the physical separation of the two cerebral hemispheres that may translate into drastic differences both social and psychologically. The split brain procedure “consisted in cutting the two main bundles of nerve fibers... the corpus callosum and the anterior commissure” (Geschwind, 181). Modules that reside in the right and left hemisphere are a complex neural system that have a particular function, that can be endlessly modified and respond to environmental affects. The genetic control of the brain determines in advance the properties and abilities of the brain. Gazzangia wished to study the way a brain organizes the information into the separate left and right hemispheres. By observing modules, he saw how certain traits of a human took action in the evolutionary scheme.
Brain characteristics unique to humans are a distinctive trait of the individualism and powerful knowledge of the evolution of modern man, homo sapiens sapiens. A key brain structure is the corpus callosum a necessary part of human evolution and communication skills as information needs a structure to help transfer the information between the two hemispheres of the right brain and the left. The corpus callosum transfers the information so that the human being has greater knowledge and is able to communicate with others. The structure of teh anterior commissure isolates the two different brain hemispheres and breaks the union the corpus collosum had created. This behavior is observed under a split brain surgery when the hemispheres become isolated. Studies preformed isolating the learning process to only one hemisphere of the brain showed the relation of dependence to the other brain. When split brain surgery is preformed
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Topics Related to The Social Brain
Cerebrum, Neuroscience, Neuropsychology, Neuroanatomy, Lateralization of brain function, Split-brain, Limbic system, Corpus callosum, Brain, Michael Gazzaniga, Cerebral hemisphere, Neocortex
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