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Etiology of dyslexia
Reflection On Dyslexia
Reflection On Dyslexia
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The learning disability dyslexia once perplexed scientists who now are beginning to make breakthrough discoveries into its causes. Dyslexia traditionally was vaguely defined as a difficulty in learning to read and write. In the past, dyslexics often were dismissed as lazy, not focused, or unintelligent. With these recent discoveries, scientists may be able to define much more specific disorders. Researchers now are finding out that people with dyslexia use specific brain regions that process written languages differently than those without the disorder. The specific brain regions which are involved, however, remain uncertain. With the knowledge that dyslexia results from differences in the language areas of the brain, it will be possible for researchers to help dyslexics better compensate for their conditions. Scientists also are coming closer to exactly pinpointing what causes those areas of the brain to act differently in dyslexics.
Though which regions of the brain most central to dyslexia remain unresolved, technology has made headway to answer this question. Brain imaging, which is a technique of photographing the brain “in action,” indicates that dyslexics have higher levels of the chemical lactate in certain regions of the brain during language and sound processing. According to neurophysicist and brain specialist, Todd Richards, who heads a research team at the University of Washington, the regions of the brain that show high levels of chemical lactate are mostly in the left anterior quadrant of the brain that includes: the Left Frontal Cortex, Broca’s area, the Inferior Frontal Gyrus, the Middle Frontal Gyrus, and the Striatum (Richards). Dyslexics have to expend more brain energy in these regions to accomplish the same tasks as non-dyslexics, which results in higher levels of chemical lactate.
Research also shows that dyslexics have less activity in the angular gyrus (AG) than those without the disability. “[T]he angular gyrus translates the mass of words and letters we encounter in day-to-day life into language” (Dyslexia par. 8). The AG is located towards the back of the brain and is a key component in normal reading. Many researchers believe that this part of the brain does not function normally in dyslexics.
Some scientists are speculating that dyslexics may use certain areas of the brain inadequately, compensating for this by disproportionately using other areas of the brain.
Before we can expect people to alter their perceptions, they must understand what it is. Dyslexia is a learning disability linked to those who struggle with reading. Although, it seems pretty simple, dyslexia is extremely challenging to identify because it is not defined by one specific thing. Moreover, it includes a wide array of difficulties such as: trouble spelling words, reading quickly, writing out words, “sounding out words in” head, pronunciation and comprehension.
Robert Buck once said, “If children can’t learn the way we teach, then we have to teach the way they learn.” The Wilson Language Program has become disclosed to amplify this mentality. Dyslexia is a common disease among ten to fifteen percent of the United States, where a human being has trouble in learning to read or interpret words, letters, and other symbols. Programs are reaching out to try to terminate as much distress of dyslexia as possible. Up and coming programs, The Wilson Language Program for example, are making their best efforts to start working with children from a young age with the slight signs of this common problem. Catching dyslexia earlier in life brings more assurance that the child’s future will have little to no setbacks or disadvantages for success. In order to enhance the regressive literacy of dyslexic individuals, the Wilson Language Program is progressively being implemented into regular schooling to ensure that reading standards are met, through structure, hours of research, copious practice, and strong evidence.
In order to understand the specific reading problems associated with dyslexia, it is important to know how the brain conceptualizes language. The brain recognizes language in a hierarchical order. The upper levels of the hierarchy deal with semantics (the meaning of words), syntax (grammatical structure), and discourse (connected sentences). The lowest levels of the hierarchy deal with breaking words into separate small units of sound called phonemes. Thus, before words can be comprehended ...
... The structural functional theory states, the framework for building theory that sees society as complex whose parts work together to promote stability and solidarity. This statement could not be truer when it comes to the movie Gran Torino. From the beginning of the movie to the end you see a character evolve from a racist, selfish and ignorant individual to an understanding individual. All of the aspects in society such as, religion race and culture are truly what makes the world go round. If Walt was never able to put aside his cultural background, views and beliefs he would have never gotten the opportunity to experience the Hmong culture. Just goes to show you that maybe if people made a greater effort to get to know one another through the sociological perspective, perhaps people would be more accepting of one another which in turn would make society stronger.
Dyslexia has been a commonly known problem in the Unites States. Even though, dyslexia is a mental problem that causes disabilities in reading, most people do not know the truth about it. There have been movies where a person with dyslexia sees letters moving around, yet people with dyslexia do not have disabilities like moving letters around. The truth is that there are plenty of misconceptions. The myths going around of what dyslexia supposedly is, is not the truth. These myths are just misconceptions and the truths about dyslexia are more complex than what it seems like. Dyslexics have different learning processes and different ways of handling the problems at hand.
This is a subject and disorder near and dear to my heart. My personal experience with dyslexia, with myself and my daughter, has given me great insight into what dyslexia is, what the signs are, and how soon you can detect the potential for problems. It is not always the case that dyslexia is the sole source of reading and reading comprehension difficulties, there are other disorders that can exist at the same time, and this is important to know in order to help students improve their reading abilities. But, dyslexia will not only affect reading abilities and reading comprehension. It can affect writing, spelling, math, memory, listing comprehension, self-esteem, social skills, the ability to understand sarcasm, understanding spatial concepts,
Dyslexia is one of the most common neurobehavioral disorders that haunt adolescents throughout their childhood. Commonly known as a reading disability (RD), dyslexia is a hereditary complex trait that occurs in five to seventeen percent of people. Neuroimaging studies show that dyslexic individuals display abnormal brain function compared to fluent readers when challenged with reading assignments (7). The exact genes that code for dyslexia are not certain, however substantial studies have potentially linked dyslexia to the KIAA0319 gene, the DCDC2 gene, and the DYX1 gene. The severity of each case is largely determined by environmental factors such exposure to reading and professional intervention. Significantly, the interplay between these external influences and innate genetic characteristics ultimately determine the performance of the dyslexic individual.
There are various symptoms that help identify dyslexia; such as poor reading and spelling abilities, switching the directions of letters in words, and problems building short-term memory (Thomson, 2009). There are many other sym...
Dyslexia is one of several distinct learning disabilities. It is a specific language based disorder of constitutional origin characterized by difficulties in single word decoding, usually reflecting insufficient phonological processing abilities. These difficulties in single word decoding are often unexpected in relation to age and other cognitive and academic abilities; they are not the result of generalized developmental disability or sensory impairment. Dyslexia is manifest by ...
I consider myself an ever evolving individual, the toughness of skin gets thicker with ever difficult situation. I pride myself in self-awareness, and being a leading example of a student with a sense of higher moral character. I never allow the stresses of my life to define my attitude or outlook because I know the stresses and hardships are able of overcoming.
“The Extraordinary Characteristics of Dyslexia” by Jake Horner is a definition essay on what it means to be dyslexic. He incorporates his own life story to support his definition and his ideas in his essay. Dyslexia is looked upon as a disability that should be treated even though dyslexia has to do with the way your brain processes the information given to you. Horner includes two types of thinkers, spatial and linear. Spatial thinkers are the dyslexic people in the world, and linear thinkers are the non-dyslexic people in the world (Horner 493). As I read this essay, it made me reflect.
The Phonological Deficit and Magnocellular theory are two of the most dominant theories in dyslexic research. Various theories have been suggested to explain the nature and origin of dyslexia, however, they often served as additional support for either the phonological or magnocellular theories. The Double Deficit theory suggested that dyslexic symptoms were the result of speed-processing (7). The Genomic theory posed that dyslexia was a highly heritable disorder that can be localized to a specific genetic component, Finally, the Cerebellar Deficit theory suggested that dyslexia was the result of an abnormal cerebellum exist (2). With the constant debate of the biological nature versus the cognitive natur...
Treatment for dyslexia is left up to the parents of the child or the adult living with the condition. Between adults and children needing treatments, many of the same kinds of treatment can take place, but also different treatments and techniques will work depending on the type. Three common types of primary dyslexia consist of dyscalculia, dyspraxia, and auditory dyslexia. Dyscalculia relates to one’s ability to perform math skills and the capability of memorizing sequences. Dyspraxia involves difficulty conducting ordinary motor skills, such as waving goodbye and tying a shoe. Not only does this condition affect one subject of a school day, but it likely troubles countless situations in a typical educational setting in one day. A child has a higher chance of having success if the proper treatment at school and at home is available. Parents of a child with dyslexia should talk to the teachers and make sure programs exist in their children’s day and that it suit’s the dyslexic needs in education. Advice given to parents of the child undergoing the evaluation is to not coach up the child, rather let them show their strengths and weaknesses on their own. Programs that help the child show their strengths and work more on their weaknesses will help the child tremendously. The dyslexics attending school should not use the disability as an excuse for not completing work. Getting
In this world, humans and animals alike have come to communicate by using various mechanisms. Humans have advanced themselves beyond other organisms by using language, or a set of codes and symbols, in order to express themselves to others. Language has brought about a means to create new thoughts, to explore, and to analyze our everyday surroundings. It has also enabled us to retain past memories and to look deep into the advances for the future. However, for some individuals, this tool for communication has been plagued by a language and speech disorders, such as aphasia. Aphasia is the loss of the ability to speak or understand speech or written language. It is often detected at an early age, and contributes to the general class of speech and language disorders affecting "5% of school aged children" (1) . Aphasia is classified into three categories. The main two are receptive or sensory aphasia and expressive or motor aphasia. Receptive aphasia affects the input side and "the ability to understand spoken or written language may be partially or totally lost" (1) . Those with expressive aphasia "can speak but not find certain words or names, or may be totally unable to communicate verbally or by writing" (1) . For a majority of affected individuals, there is a combination of the two. The third type is conduction aphasia. This "involves disruption of transmission between the sensory and motor ends of the circuit" (1) . Here, individuals are able to produce speech despite the lack of connections to the input side. It seems that the ability to speak has a lot to do with your surroundings and how much emphasis was placed on developing this skill during the first few years after birth. Afterall, it's known that the first few years are critical because this is the time when the brain is "plastic" and is rapidly changing and being molded. By the time that adolescence is reached, the brain has become "less plastic". In this paper, I would like to explore theories proposed to try to understand the origins of this impairment.
Dyslexia is a disability that has many different facets that are unique to each individual, partially due to the varying degrees of severity; however, there are many common symptoms and characteristics of this disability that allow for classification. According to Campbell’s Psychiatric Dictionary (2009), “Dyslexia is manifested by an