Focusing On One Specific Learning Disability Analyse The Learning Deficits Of Children Affected. Use A Psychology Of Instruction Model To Structure Your Analysis.
...a psychology of instruction model to structure your analysis.
Attention deficit and hyperactivity disorder (ADHD) is a disorder characterised by a persistent pattern of inattention and/or hyperactivity that is more frequent and severe than typically observed in peers. It remains the most common problem in childhood and is one of the most common neurodevelopment disorders , affecting 3-5% of school age children (Kirby and Kaplan, 2003) Among boys, it is said to be at least three times higher than among girls (Biederman, 2002), and in clinically referred samples the ratio is often as high as 6:1(Kirby and Kaplan, 2003). The aetiology of ADHD it is a genetic factor with a DNA variation in the serotonin system. In ADHD children, the rate of glucose metabolism in basal ganglions and in the frontal cortex is reduced (Chhabiladas, Pennington and Willcut, 2001) It has been said that for a long time ADHD has runs in families, in particular there has been strong evidence from twin and adoption studies, in which about 50% of parents themselves had some form of ADHD, and similarly, about 10-35% of children with ADHD have a close relative with it as well (Kirby and Kaplan, 2003) For example, in a large study of twins in Norway, involving 526 identical twins) and 389 fraternal twins found that ADHD had nearly an 80 percent chance of being inherited (Swanberg, Passno and Larimore, 2005). There is also evidence however that ADHD may not simply be acquired through genetic factors, the environment may also be involved such as stress.
Children with ADHD have difficulty concentrating, exhibit impulsive behaviour, and often have excessive or abnormally increased activity. It is said that fifty to seventy percent of ADHD patients also suffer from learning difficulties, and perform badly in school (Cavanaugh, Tervo and Fogas, 1997). They may have difficulty receiving,...
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