The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
in kids and adults with ADHD the default mode network is often still active at a very robust level even while we're trying to attend to things and that's why someone with ADHD will sit down and try and do some focused work and I'll start thinking about something they want or something they dislike their internal state will start to distract them
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Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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And we can now confidently say based on brain imaging studies that when somebody gets better when they're treated for ADHD or when they age out of ADHD as sometimes is the case that the default mode networks and the task networks tend to become anti-correlated again.
Now, normally in a person without ADHD, the task networks and the default mode networks are going in kind of seessaw fashion. They are actually what we call anti-correlated. In a person with ADHD, they actually tend to be more correlated. The default mode networks and the task networks are actually more coordinated.
And in ADHD there's something about the dopamine system that is not allowing it to conduct these networks and make sure that they stay what you know the engineers or physicists or mathematicians would say out of phase to be anti-correlated.