AD/HD is a dimensional disorder – that is, it can be exhibited in mild, moderate and severe forms.
• The symptoms of AD/HD include hyperactive or impulsive behaviors and deficits in attention. Most people with AD/HD have a mixture of these symptoms (‘combined type’) but others may have mainly one type of symptoms (‘predominantly impulsive type’ or ‘predominantly inattentive type’).
• To meet standard diagnostic criteria, some symptoms of AD/HD must appear before the age of seven, cause impairment, and persist for at least six months to a degree that is unusual for the person’s age. The symptoms must cause impairment in two or more settings, e.g. at home and at school.
Symptoms of inattention • Failure to give close attention to detail • Difficulty sustaining attention in tasks or play • Not appearing to listen when spoken to directly • Not following through on instructions • Difficulty organizing tasks and activities • Avoiding or disliking tasks that require sustained mental effort • Often losing necessary things • Easily distracted • Forgetful in daily activities
Symptoms of hyperactivity • Fidgeting often with hands or feet • Often leaves seat in situations where remaining seated is expected • Runs about inappropriately • Difficulty playing quietly • Excessive talk • Often on the go
Symptoms of impulsivity • Blurting out answers before questions are complete • Difficulty awaiting turn • Often interrupting or intruding on others