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Free research papers and essays on topics related to: broca
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- Aphasia - 789 words
Aphasia What is Aphasia? Aphasia is the impairment of spoken or written language caused by injury to the brain. It is also commonly referred to as Dysphasia. There are several different categories and many different types of Aphasia. What causes Aphasia? Aphasia is usually the result of a brain tumor, lesion, stroke, or severe blow to the head. Right-handed people can only acquire Aphasia if they have an injury in the left cerebral hemisphere, whereas left-handed people can quire Aphasia from an injury in either the right or left cerebral hemisphere. Therefor, left-handed people are more prone to getting Aphasia. Categories of Aphasia There are several different systems for categorizing Apha ...
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- Hominid Species - 1,918 words
Hominid Species Hominid Species The time of the split between humans and living apes used to be thought to have occurred 15 to 20 million years ago, or even up to 30 or 40 million years ago. Some apes occurring within that time period, such as Ramapithecus, used to be considered as hominids, and possible ancestors of humans. Later fossil finds indicated that Ramapithecus was more closely related to the orang-utan, and new biochemical evidence indicated that the last common ancestor of hominids and apes occurred between 5 and 10 million years ago, and probably in the lower end of that range. Ramapithecus therefore is no longer considered a hominid. The species here are listed roughly in order ...
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- How Did Life Really Begin - 1,848 words
How Did Life Really Begin? HOW DID LIFE REALLY BEGIN? INTRODUCTION Evolution. Is it a fact or fiction? I thought that Evolution, was just a theory, but I was wrong. I believe that Darwin's theory has had a great impact on the world today. It has caused many debates between religious authorities and those from the scientific community. This theory had prompted individuals to think about the Origin of the Universe, Earth, and how did life really begin. However, what distinguishes Charles Darwin from the others is the fact that he collected and provided substantial evidences and he related various branches of science such as geology, botany and biology, which helped, validate his theories. His ...
Related: homo habilis, charles darwin, eighteenth century, biologists, rough
- Parkinsons Disease - 699 words
Parkinsons Disease Parkinson Disease Damage to Broca's area in the frontal lobe causes difficulty in speaking and writing, a problem known as Broca's aphasia. Injury to Wernicke's area in the left temporal lobe results in an inability to comprehend spoken language, called Wernicke's aphasia. Cerebral palsy is a broad term for brain damage sustained close to birth that permanently affects motor function. The damage may take place either in the developing fetus, during birth, or just after birth and is the result of the faulty development or breaking down of motor pathways. Cerebral palsy is non-progressive that is, it does not worsen with time. During childhood development, the brain is parti ...
Related: parkinson disease, parkinson's disease, childhood development, side effects, temporal
- Psychology: Use Of Language - 1,225 words
Psychology: Use Of Language Jennifer Mull Psychology Human speech makes possible the expression and communication of thoughts, needs, and emotions through vocalization in the form of words. It is a process whose specialized adaptations differentiate it from the mere making of sounds--a capacity humans share with most animals. In addition to the capacity for laryngeal production of sound (which some animals also possess), speech requires a resonance system for modulation and amplification of that sound and an articulation process for the shaping of that sound into the communally established word-symbols of meaning that constitute the language of a given culture. (Dean Edell) The use of langua ...
Related: cerebral palsy, hearing loss, mental retardation, parental, dystrophy
- The Brain - 989 words
... rious afferent and efferent tracts, when correlated with symptoms and signs, enables physicians to localise with considerable accuracy the level and extent of lesions in the nervous system. The other 10 cranial nerves, in descending order of location, are the oculomotor, trochlear, trigeminal, abducens, facial, acoustic, glossopharyngeal, vagus, spinal accessory, and hypoglossal nerves. Cerebellum The cerebellum accounts for about 10 percent of the brain's weight and is a centre for co-ordinating automatic (reflex) and voluntary movements of the body. It receives afferent impulses from the spinal cord as well as from various brain-stem nuclei. The cerebellum is connected by fibres, both ...
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- Two Sides Of The Brain - 1,115 words
Two Sides of The Brain Your brain has two sides. And each has a distinctly different way of looking at the world. Do you realize that in order for you to read this article, the two sides of your brain must do completely different things? The more we integrate those two sides, the more integrated we become as people. Integration not only increases our ability to solve problems more creatively, but to control physical maladies such as epilepsy and migranes, replace certain damaged brain functions and even learn to "thin" into the future. Even more startling is evidence coming to light that we have become a left-brain culture. Your brain's right and left side have distinctly different ways of l ...
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