this page is a continuation from six ADHD types Overfocused ADD and Limbic ADD.
ADHD researcher, Dr Daniel Amen has used SPECT brain imaging (Single Photon Emission Computed Tomography) to study attention deficit and has found six different types of ADHD. Daniel Amen’s six types of ADHD make more sense than the conventional model with three types, as his model reflects real life ADHD. Determining the type of ADHD is helpful in finding the best treatment for the individual person with attention deficit and/or hyperactivity problems.
The temporal Lobe and Ring of Fire ADD types are serious disorders. Stimulant medication worsens their condition. These are not the positive ADHD personalities, above, but have Opposition Defiant Disorder (ODD) or Conduct Disorder. The inattention and hyperactivity are merely shared symptoms. A cough is a symptom shared with a common cold, tuberculosis and lung cancer.
Please remember that ADD/ADHD is dimensional and not categorical. There are overlaps between the different types as well as variations as to combinations of symptoms, which symptoms a person has and the severity of the specific symptoms.
| Prefrontal Cortex
| Temporal Lobe:
SPECT Pattern: usually low temporal lobe activity plus low prefrontal cortex activity while concentrating. Low activity in the left temporal lobes leads to aggressive, violent behavior and serious temper outbursts.
ADHD Health comments: This is not what is commonly referred to as ADHD. It is just that some inattention and hyperactivity symptoms happen to be shared, but the cause is not the same. This is not a personality type, but a serious disorder. People with temporal lobe problems are difficult to live with on a daily basis. Often seen in families with learning difficulties and dysfunctional emotional temper problems. This, together with the “Ring of Fire,” is the worst type of so-called ADHD types. Children who have the diagnosis of both ADHD and Opposition Defiant Disorder or Conduct Disorder have this form of ADHD. Stimulants medication alone usually worsen the symptoms, making this type more irritable.
SPECT Pattern: A marked overall increased activity across the cortex. There may or may not be low prefrontal cortex activity.
ADHD Health comments: This is not the true positive attention deficit hyperfocussing personality (ADD/ADHD). This is Oppositional Defiant Disorder (ODD) or Conduct Disorder (CO). The argumentativeness, the different brain areas affected and the different response to treatment indicates that this is a different condition and not what is normally referred to as ADHD. This type is often seen in dysfunctional families where there is an alcohol or other addiction problems.