The current labeling system is logical, reasonable and often useful for short periods, however it, more frequently than not, disregards the peer-reviewed perceptions of modern brain science associated with informed self management over time.
#5: The Whatever Drop: Less frequent, even more subtle, and often seen as apathetic in association - "Who cares? - not me, whatever, I'm gone." Most characteristic of this drop is the emotional tone, the feeling, behind the expression.
If you don't know the science, you'll be less likely to predict ADHD Medication outcome. D2 Receptor polymorphism may sound like a mouthful, but if you don't know that those dopamine receptors change genetically you'll miss an important part of the evolving ADHD science