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Attention Deficit / Hyperactivity Disorder Essay

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Attention-deficit/hyperactivity disorder (ADHD) is the most common disorder in childhood, defined by excessive distractibility and lack of adequate attention. Diagnoses of hyperactivity in people (patients) has been documented for centuries by physicians and scientists. Although not defined as ADHD, the symptoms described in earlier generations have total similarities to the more scientific named disorders of ADHD in current times. A child who shows a pattern of inattention may frequently fail to pay attention to detail, make careless mistakes, have trouble staying focused, appear not to listen, trouble organizing simple tasks, be easily distracted, and display symptoms of forgetfulness. A child who shows a pattern of hyperactive and…show more content…
Those possible causes and contributors are:
• Genetics. ADHD tends to be familial and runs in generation after generation. It is estimated that over 50% of ADHD children also had a parent that had ADHD whereas adults that never had the condition are far less likely to have a child that has the disorder. Study after study has proven this to be the case. Genetics rank as the leading probable risk factor associated with ADHD.
• Environmental. While not a proven cause, some research indicates environmental factors such as toxins and lead exposure may increase the risk.
• Developmental. Insufficient or flawed development of the central nervous system at key moments in development may also play a role in ADHD.
ADHD is thought to be a gene related disorder that affects a region of the brain associated with motor skills and alertness and has been linked to decreased sensory processing abilities. Some classic ADHD symptoms include hyperactive conduct, impulsivity, and inattention. Over 1800 studies have been published to date about genetic factors and the role they may play in ADHD. These studies focused on family-specific groups as well as specific genes or genome-wide screenings and provided strong evidence that genes do play a role in susceptibility to ADHD. A 2009 review concluded that genetics accounted for over 70% of the risk factors involved with having or inheriting ADHD symptoms.
ADHD is a heritable trait that affects more children and adolescents than
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