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Are Brain Waves EEG Patterns Different in ADHD? 

PostedOctober 7, 2025
UpdatedOctober 7, 2025
ByMy Patient Advice

Yes, individuals with ADHD EEG patterns often show distinct differences in brain activity, specifically in terms of neural oscillations. Research indicates that those with ADHD typically exhibit a higher theta/beta ratio, where theta waves (associated with drowsiness and daydreaming) are more prominent, and beta waves (linked to focused, active thinking) are less pronounced. This imbalance can lead to difficulties in sustaining attention and regulating impulses, common traits of ADHD. 

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The Role of EEG in ADHD Diagnosis 

EEG patterns provide crucial insights into the electrical activity of the brain. In individuals with ADHD, electrophysiology studies often reveal abnormal brain wave patterns that correlate with symptoms such as inattention, impulsivity, and hyperactivity. These differences in brain waves can be used as part of a comprehensive assessment to diagnose ADHD and distinguish it from other conditions with similar behavioural symptoms. 

How It Helps in Treatment 

Understanding these unique EEG patterns can aid clinicians in identifying the underlying neurophysiological factors contributing to ADHD. With this information, treatments such as medication or cognitive behavioural therapy (CBT) can be better tailored to address the specific brain activity issues, leading to more effective management of the disorder. By focusing on the abnormal neural oscillations, targeted interventions can help regulate brain activity and improve symptoms over time. 

Visit providers like ADHD Certify for personal consultations tailored to your ADHD care and support needs. 

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to ADHD EEG patterns.

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Phoebe Carter, MSc

Author

Phoebe Carter is a clinical psychologist with a Master’s in Clinical Psychology and a Bachelor’s in Applied Psychology. She has experience working with both children and adults, conducting psychological assessments, developing individualized treatment plans, and delivering evidence-based therapies. Phoebe specialises in neurodevelopmental conditions such as autism spectrum disorder (ASD), ADHD, and learning disabilities, as well as mood, anxiety, psychotic, and personality disorders. She is skilled in CBT, behaviour modification, ABA, and motivational interviewing, and is dedicated to providing compassionate, evidence-based mental health care to individuals of all ages.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy. 

Dr. Rebecca Fernandez, MBBS, author and a reviewer for my patient advice - mypatientadvice.co.uk

Dr. Rebecca Fernandez, MBBS

Reviewer

Dr. Rebecca Fernandez is a UK-trained physician with an MBBS and experience in general surgery, cardiology, internal medicine, gynecology, intensive care, and emergency medicine. She has managed critically ill patients, stabilised acute trauma cases, and provided comprehensive inpatient and outpatient care. In psychiatry, Dr. Fernandez has worked with psychotic, mood, anxiety, and substance use disorders, applying evidence-based approaches such as CBT, ACT, and mindfulness-based therapies. Her skills span patient assessment, treatment planning, and the integration of digital health solutions to support mental well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the reviewer's privacy. 

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