代写范文

留学资讯

写作技巧

论文代写专题

服务承诺

资金托管
原创保证
实力保障
24小时客服
使命必达

51Due提供Essay,Paper,Report,Assignment等学科作业的代写与辅导,同时涵盖Personal Statement,转学申请等留学文书代写。

51Due将让你达成学业目标
51Due将让你达成学业目标
51Due将让你达成学业目标
51Due将让你达成学业目标

私人订制你的未来职场 世界名企,高端行业岗位等 在新的起点上实现更高水平的发展

积累工作经验
多元化文化交流
专业实操技能
建立人际资源圈

ADHD

2013-11-13 来源: 类别: 更多范文

ADHD Attention Deficit Hyperactivity Disorder (ADHD) Attention deficit hyperactivity disorder (ADHD) is the most common behavior disorder diagnosed in children and teens. ADHD refers to a group of symptoms that begin in early childhood and can continue into adulthood, causing difficulties at home, at school, at work, and within the community if not recognized and treated. I chose this topic because now it seems that everyone has this disorder because of tv and the quick and meaningless images we are bombarded with by it everyday. I wanted to learn more about this topic: the causes, the symptoms, and the treatment. The exact cause of attention deficit hyperactivity disorder (ADHD) is not known. However, inherited genetic factors are likely responsible. A specific has not been directly linked to ADHD, but a relationship is suspected between symptoms and brain structure, which influences temperament, the function of chemicals in the brain that help regulate attention and activity (dopamine and norepinephrine), abnormal function of the prefrontal cortical lobe that causes problems with attention and impulse control, certain enviromental factors, such as lead exposure, or having a mother who smoked or drank alcohol during pregnancy, may also contribute to the risk of developing ADHD. There is no evidence to support claims that ADHD is caused by too adhd, symptoms, children, child, problems, behavior, people, diagnosed, age, treatment, specific, school, often, medications, inattention, control, because, attention, symptom, socialization, noticeable, normal, hyperactivity, however, help, having, groups, difficulty, causes, between, adults, about, years, treated, topic, time
上一篇:Creatine 下一篇:Sartre_-_Huis_Clos