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Table 1 Criteria for Attention-Deficit/Hyperactivity Disorder (ADHD) according to Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM-IV)

From: Motor function and perception in children with neuropsychiatric and conduct problems: results from a population based twin study

Inattention:

Often fails to give close attention to details or makes careless mistakes in schoolwork, work or other activities

Often has difficulty sustaining attention in tasks or play activities

Often does not seem to listen when spoken to directly

Often does not follow through on instructions and fails to finish schoolwork, chores or duties in the workplace

Often has difficulty organizing tasks and activities

Often avoids, dislikes, or is reluctant to engage in tasks that require sustained mental effort

Often loses things necessary for tasks and activities

Is Often easily distracted by extraneous stimuli

Is Often forgetful in daily activities

Hyperactivity/Impulsivity:

Often fidgets with hands or feet or squirms in seat

Often leaves seat in classroom or in other situations in which remaining seated is expected

Often runs about or climbs excessively in situations in which it is inappropriate

Often has difficulty playing or engaging in leisure activities quietly

Is Often ‘on the go’ or Often acts as if ‘driven by a motor’

Often talks excessively

Often blurts out answers before questions have been completed

Often has difficulty awaiting turn

Often interrupts or intrudes on others