| Inattentive ADHD (ADHD-I) is different in many ways | | | | can very accurately predict the subtype diagnosis for |
| from the most commonly known type of ADHD which | | | | ADHD. One study performed in Spain found that a |
| is called Hyperactive/impulsive ADHD or ADHD-HI. It is | | | | personality inventory that measured Activity and |
| also different from the combined type of ADHD which | | | | Aggression allowed the researcher to properly classify |
| is a combination of the Inattentive and Hyperactive | | | | 76 percent of individuals with ADHD-I. |
| type of ADHD. | | | | Another study performed in England and just published |
| Some ADHD experts have found it more expedient, | | | | in the Journal of the American Academy of Child and |
| for the purpose of deciding treatment, predicting adult | | | | Adolescent Psychiatry looked at Oppositional Defiance |
| outcomes, and classification purposes, to just treat the | | | | Disorder (ODD) personality traits, temperament and |
| inattentive ADHD subtype as if they were the same | | | | activity level of preschoolers and found that increased |
| as the combined subtype of ADHD but this is short | | | | activity and emotionality accurate predicted the |
| sighted. Individuals with inattentive ADHD have different | | | | diagnosis of individuals with ODD and Combined type |
| outcomes from the other subtypes of ADHD, may | | | | or hyperactive / impulsive subtype. |
| respond differently to ADHD treatment and may | | | | Behavioral checklist can provide a broad synopsis of |
| require different interventions than the other subtypes | | | | the most prominent symptoms of individuals with |
| of ADHD. | | | | Attention deficity disorder. Personality test add to the |
| Researchers are working on sorting out the specific | | | | diagnostic picture and more sophisticated test such as |
| genes that are involved in each subtype of Attention | | | | functional MRI, functional brain scans, and computer |
| Deficity Hyperactivity Disorder and it is looking, | | | | test that measure activity and attention such as the |
| increasingly, like the genes at work in inattentive ADHD | | | | ADHD Quotient system can flesh out the diagnoses |
| are somewhat different than the genes at work in the | | | | even more thoroughly. |
| other subtypes of ADHD. Only by finding the specific | | | | We may not need to wait for a genetic marker for |
| genes involved in inattentive ADHD, will ADHD-I get the | | | | Inattentive ADHD. It appears that personality tests as |
| validation that is needed. In the mean time, there has | | | | well as other diagnostic tools are readily available now |
| been work done using personality tests and other | | | | and allow us to accurately distinguish between all the |
| tests to arrive at an ADHD subtype diagnosis. | | | | subtypes of Attention Deficit Hyperactivity Disorder. |
| Personality tests can very accurately diagnose | | | | Inattentive type may not respond as well to the same |
| inattentive ADHD, combined type ADHD, and ADHD | | | | treatment as Combined type or the Hyperactive |
| with conduct disorder. Individuals with ADHD-I are | | | | Impulsive subtype but we will not fully understand this |
| significantly less likely to be hyperactive and they are | | | | subtype of until individuals with ADHD-I are |
| less likely to be exhibit outward signs of hostility, anger, | | | | appropriately screened, identified and a correct |
| oppositional behavior or aggression. Two studies just | | | | diagnosis is made. |
| published indicate that temperament and activity level | | | | |