Attention Deficit Hyperactivity Disorder (ADHD) Why Can't They
Just Sit Still and Listen?! Myths and Realities What is
Attention Deficit Hyperactivity Disorder? ADHD is a chronic
disorder caused by a chemical imbalance in the brain that can
begin in infancy and extend through adulthood. Some hyperactive-
impulsive or inattentive symptoms must be present before age 7
years. - It has negative effects on a child’s life at home,
school, and within the community. There must be clear evidence
of clinically significant impairment in social, academic, or
occupational functioning. - It affects 3-7% of the school-age
population. - Some impairments from the ADHD symptoms must be
present in two or more settings (school, home, work, etc). -
Some symptoms can be interpreted as indicators of ADHD when they
are symptomatic of the stress of living in poverty or
potentially violent situations. An adverse effect on educational
performance can incorporate all aspects of the child’s
functioning at school, including educational per