Sources

Sources & citations

This site is based on peer-reviewed research, clinical guidelines, and expert consensus. All major claims are traceable to the sources below.

Diagnostic criteria & guidelines

Diagnostic and Statistical Manual of Mental Disorders (DSM-5-TR)
American Psychiatric Association · 2022

Diagnostic criteria for ADHD including the three presentations, symptom thresholds, and age of onset requirements.

Attention deficit hyperactivity disorder: diagnosis and management (NG87)
National Institute for Health and Care Excellence (NICE) · 2023

UK clinical guideline covering diagnosis, medication, and non-pharmacological treatment across all ages.

The World Federation of ADHD International Consensus Statement: 208 Evidence-based conclusions about the disorder
Faraone, S. V. et al. · Neuroscience & Biobehavioral Reviews · 2021

Landmark consensus paper summarising the evidence base for ADHD across genetics, neuroscience, diagnosis, and treatment.

ADHD combined type and ADHD predominantly inattentive type are distinct and unrelated disorders
Milich, R., Balentine, A. C., Lynam, D. R. · Clinical Psychology: Science and Practice · 2001

Argues for the clinical and neuropsychological distinction between inattentive and combined presentations.

Neuroscience & mechanisms

Attention-Deficit Hyperactivity Disorder: A Handbook for Diagnosis and Treatment (4th ed.)
Barkley, R. A. · 2015

Comprehensive clinical reference covering neuropsychology, assessment, and treatment of ADHD across the lifespan.

Evaluating dopamine reward pathway in ADHD: clinical implications
Volkow, N. D. et al. · JAMA · 2009

Neuroimaging study documenting dopamine reward pathway differences in ADHD, including reduced dopamine release and receptor availability in striatal and prefrontal regions.

Treatment & interventions

Pharmacologic Treatment of Attention Deficit-Hyperactivity Disorder
Cortese, S. · NEJM · 2020

Clinical review of stimulant and non-stimulant medication options, efficacy, and safety profiles.

Cognitive-Behavioral Therapy for ADHD in Medication-Treated Adults
Safren, S. A. et al. · Journal of Consulting and Clinical Psychology · 2010

RCT demonstrating efficacy of ADHD-adapted CBT as an add-on to medication in adults.

Spark: The Revolutionary New Science of Exercise and the Brain
Ratey, J. J. · 2008

Summarises research on the neurobiological mechanisms by which aerobic exercise improves ADHD symptoms.

Lifespan & prevalence

Attention deficit hyperactivity disorder (ADHD): Controversy, developmental mechanisms, and multiple levels of analysis
Hinshaw, S. P. · Annual Review of Clinical Psychology · 2018

Reviews developmental trajectories of ADHD from childhood through adulthood.

The prevalence and correlates of adult ADHD in the United States
Kessler, R. C. et al. · American Journal of Psychiatry · 2006

Population study estimating 4.4% adult ADHD prevalence; highlights impairment in work, family, and social function.

Sex & gender differences

A review of attention-deficit/hyperactivity disorder in women and girls
Quinn, P., Madhoo, M. · The Primary Care Companion for CNS Disorders · 2014

Reviews evidence on sex differences in ADHD presentation, diagnosis rates, and impact on quality of life.

Prevalence of hormone-related mood disorder symptoms in women with ADHD
Dorani, D. et al. · Journal of Psychiatric Research · 2021

Documents how oestrogen fluctuations across the menstrual cycle, pregnancy, and menopause interact with ADHD symptoms.

Comorbidities & emotional regulation

Emotional dysregulation in attention deficit hyperactivity disorder
Shaw, P., Stringaris, A., Nigg, J., Leibenluft, E. · American Journal of Psychiatry · 2014

Reviews the neurobiological basis of emotional dysregulation in ADHD and its clinical implications.

Not medical advice. Sources are provided for transparency and further reading. This site is educational only. Always consult a qualified healthcare provider for diagnosis and treatment.