Attention Deficit Hyperactivity Disorder (ADHD) consists of two subtypes being either inattention and hyperactivity-impusivity. A person with ADHD can have either one subtype or both.
According to the Diagnostic and Statistical Manual of Mental Disorders (5th edition), ADHD symptoms include a persistent pattern of six or more symptoms of inattention and hyperactivity-impulsivity that interferes with functioning or development of children 12 years of age or younger or five symptoms for individuals aged 17 years and older. The symptoms will interfere with social, educational and/or work situations and occur in more than one setting such as school and home. Lastly the symptoms will be either mild, moderate or severe.
Inattention include symptoms that are characterised by:
Hyperactivity-impulsivity include symptoms that are characterised by:
It is important to consider that the above symptoms of hyperactivity-impulsivity is not a manifestation of oppositional behaviour, defiance, hostility, or failure to understand tasks or instructions.
Source: American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders, (5th ed.), Text Revision. Washington, DC: American Psychiatric Association.
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