Trends in Cognitive Sciences, January 2012, Vol. 16, No. 1
I just skimmed this excellent article which is consistent with the hypothesis that problems with controlled attention (focus) may be responsible for a number of the behavioral symptoms of ADHD....and this is due to the poor ability to suppress the random self-talk of the default brain network. As per the IQs Reading feature, an annotated copy of the article is now available.
Based on my reading and research regarding Interactive Metronome technology, I advanced the position that the efficacy of this technology in improving focus or controlled attention is that it helps to "quiet the busy mind" that is due to the REST (random, episodic, spontaneous thought or thinking) of the default brain network. In simple terms, poor ability to suppress or quiet the default network results in poor controlled attention and focus...and one has a hard time with inhibiting the intrusion of these task-irrelevant thoughts when trying to engage in controlled, deliberate cognitive tasks.
This article reviews research that suggests that ADHD may be a default brain network disorder. The authors state "In 2007, Sonuga-Barke and Castellanos suggested that ADHD could be considered a default network disorder"...and the authors of the current article agree.
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