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What Do Resting-State fMRI Scans Show in ADHD? 

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Updated
ByMy Patient Advice
Author: Phoebe Carter, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

ADHD resting-state fMRI scans provide valuable insights into how brain connectivity functions when the brain is at rest. These scans reveal that individuals with ADHD show altered patterns in the default mode network (DMN), a network responsible for mind-wandering, self-reflection, and internal thoughts. In ADHD, the Default Mode Network is often less effectively suppressed during tasks that require focus, which can help explain the common symptom of distractibility. 

Resting-state fMRI findings also show that key areas of the brain, such as the prefrontal cortex and parietal cortex, exhibit reduced connectivity in individuals with ADHD. This disrupted neural activity contributes to difficulties with attention, impulsivity, and cognitive control, offering important insights into the neurobiological aspects of ADHD. 

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How Resting-State fMRI Helps with ADHD Understanding 

Understanding resting-state fMRI results can help clarify why individuals with ADHD experience specific symptoms. Below are key symptoms associated with these findings and potential treatment strategies: 

Inattention and Mind-Wandering 

The default mode network often remains active when individuals with ADHD need to focus on external tasks, causing distractions and difficulty concentrating. Stimulant medication can help improve brain connectivity, while CBT provides techniques to manage attention and reduce distractions. 

Impulse Control and Cognitive Flexibility 

Reduced connectivity in the prefrontal cortex and parietal cortex can lead to challenges in self-regulation and flexible thinking. Medication can regulate neural pathways, and behavioural therapy offers strategies to improve executive function and reduce impulsivity. 

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 resting-state fMRI. 

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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
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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