What is it about?
ADHD and SCT describe intuitively opposite sets of symptoms in the form of hyperactivity and sluggishness. We have shown that both extremes of activity level are associated with high levels of inattention, and that ADHD may be a multi-dimensional, curvilinear construct with symptoms that were once excluded from consideration.
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Why is it important?
This new construct could explain the structural issues with the subtypes of ADHD, how inattention can be strongly correlated with both hyperactivity and sluggishness in spite of the inverse nature of the two, and could give a reasonable explanation for why symptoms of sluggishness can be the best predictors for inattention and still have poor negative predictive power for inattention. This restructuring of the the current symptoms of ADHD may also make necessary that much of the past research be redone using different analyses, as curvilinear data require curvilinear statistics. Implications for diagnostics and practice are broad as well.
Perspectives
The most I could hope for is that these ideas are considered, dissected, and tested for value. It took me a while to be comfortable with the final theory, hypotheses, procedures, and write-up being presented here, and I hope it is a worthwhile read.
Nathan Miller
Florida State University Robert Manning Strozier Library
Read the Original
This page is a summary of: Redefining ADHD Using an Adult Population: Should Inattention be Viewed as a Separate Dimension From Cognitive and Physiological Activity Level?, Journal of Attention Disorders, October 2017, SAGE Publications,
DOI: 10.1177/1087054717733045.
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