References

Peer-reviewed literature and authoritative sources supporting the educational content of Divergent Harmonies.

Foundational Diagnostic Standards

American Psychiatric Association. (2022). Diagnostic and statistical manual of mental disorders (5th ed., text rev.; DSM–5–TR).

Epidemiology and Prevalence

Polanczyk, G., de Lima, M. S., Horta, B. L., Biederman, J., & Rohde, L. A. (2007). The worldwide prevalence of ADHD: A systematic review and metaregression analysis. American Journal of Psychiatry, 164(6), 942–948. https://doi.org/10.1176/ajp.2007.164.6.942

Neurobiology and Genetics

Thapar, A., & Cooper, M. (2016). Attention deficit hyperactivity disorder. The Lancet, 387(10024), 1240–1250. https://doi.org/10.1016/S0140-6736(15)00238-X

Faraone, S. V., & Larsson, H. (2019). Genetics of attention deficit hyperactivity disorder. Molecular Psychiatry, 24, 562–575. https://doi.org/10.1038/s41380-018-0070-0

Cortese, S., et al. (2012). Toward systems neuroscience of ADHD: A meta-analysis of 55 fMRI studies. American Journal of Psychiatry, 169(10), 1038–1055. https://doi.org/10.1176/appi.ajp.2012.11101521

Executive Function Theory

Willcutt, E. G., Doyle, A. E., Nigg, J. T., Faraone, S. V., & Pennington, B. F. (2005). Validity of the executive function theory of ADHD: A meta-analytic review. Biological Psychiatry, 57(11), 1336–1346. https://doi.org/10.1016/j.biopsych.2005.02.006

Barkley, R. A. (2015). Attention-deficit hyperactivity disorder: A handbook for diagnosis and treatment (4th ed.).

Treatment and Intervention

Cortese, S., et al. (2018). Comparative efficacy and tolerability of medications for ADHD in children, adolescents, and adults. The Lancet Psychiatry, 5(9), 727–738. https://doi.org/10.1016/S2215-0366(18)30269-4

Young, S., et al. (2020). Psychological therapies for adults with ADHD: A meta-analysis. Clinical Psychology Review, 80, 101884. https://doi.org/10.1016/j.jad.2025.121107

Public Health & Practice Standards

National Institute for Health and Care Excellence (2018). ADHD: Diagnosis and management (NG87). https://www.nice.org.uk/guidance/ng87

National Institute of Mental Health. ADHD Overview. https://www.nimh.nih.gov

Conceptual Model (Amen Brain Types)

Amen, D. G. (2013). Healing ADD: The breakthrough program that allows you to see and heal the 7 types of ADD.

Note: The Amen Brain Type model is presented on this site as a conceptual framework. It is not part of DSM diagnostic criteria and remains debated within academic psychiatry.