ADHD refers to a chronic biobehavioral disorder that initially manifests
in childhood and is characterized by hyperactivity, impulsivity,
and/or inattention. Not all of those affected by ADHD manifest all
three behavioral categories. These symptoms can lead to difficulty in
academic, emotional, and social functioning. The diagnosis is
established by satisfying specific criteria and may be associated with
other neurological, significant behavioral, and/or
developmental/learning disabilities. Therapy may consider the use of
medication, behavioral therapy, and adjustments in day-to-day lifestyle
activities.
Studies in the United States indicates approximately 8%-10% of children satisfy diagnostic criteria for ADHD. ADHD is, therefore, one of the most common disorders of childhood. ADHD occurs two to four times more commonly in boys than girls (male to female ratio 4:1 for the predominantly hyperactive type vs. 2:1 for the predominantly inattentive type). Three subtypes of ADHD are described: (1) predominantly inattentive, (2) predominantly hyperactive and impulsive, and (3) combined. While previously believed to be "outgrown" by adulthood, current opinion indicates that many children will continue throughout life with symptoms that may affect both occupational and social functioning. Some medical researchers note that approximately 40%-50% of ADHD-hyperactive children will have (typically non-hyperactive) symptoms persist into adulthood
Studies in the United States indicates approximately 8%-10% of children satisfy diagnostic criteria for ADHD. ADHD is, therefore, one of the most common disorders of childhood. ADHD occurs two to four times more commonly in boys than girls (male to female ratio 4:1 for the predominantly hyperactive type vs. 2:1 for the predominantly inattentive type). Three subtypes of ADHD are described: (1) predominantly inattentive, (2) predominantly hyperactive and impulsive, and (3) combined. While previously believed to be "outgrown" by adulthood, current opinion indicates that many children will continue throughout life with symptoms that may affect both occupational and social functioning. Some medical researchers note that approximately 40%-50% of ADHD-hyperactive children will have (typically non-hyperactive) symptoms persist into adulthood
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