ADHD (Attention Deficit Hyperactivity Disorder) is a neurobiological disorder characterized by developmentally inappropriate impulsivity, attention, and in some cases, hyperactivity beginning in childhood, “typically” by the age of 7. Children with ADHD often have a 2-4 year developmental delay and frequently have other coexisting conditions. To be diagnosed with ADHD, individuals must show at least 6 of the characteristics in either or both of the categories below. Symptoms must be more frequent or severe than in other children the same age. Symptoms must be present for at least 6 months.


ADHD predominately inattentive type ADHD predominately hyperactive-impulsive type
Fails to give close attention to details or makes careless mistakes Has difficulty remaining seated.
Has difficulty sustaining attention. Fidgets with hands or feet or squirms in chair.
Does not appear to listen. Difficulty engaging in activities quietly.
Struggles to follow through on instructions. Acts as if driven by motor.
Has difficulty with organization. Talks excessively.
Avoids or dislikes tasks requiring sustained mental effort. Blurts out answers before questions have been completed.
Loses things. Difficulty waiting or taking turns.
Is easily distracted. Interrupts or intrudes upon others.
Is forgetful in daily activities.  

ADHD combined type

Individual meets both sets of inattention and hyperactive/impulsive criteria.



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