What Neuroimaging Studies Reveal About Brain Structure and Function Risk Factors in ADHD?

Posted August 19, 2025 Updated August 19, 2025 Author: Harriet Winslow, BSc Reviewed by: Dr. Rebecca Fernandez, MBBS

Brain structure ADHD research, through neuroimaging studies, has provided significant insights into the risk factors associated with ADHD. These studies, including MRI and fMRI scans, have revealed that individuals with ADHD often exhibit structural and functional differences in key brain regions responsible for attention, impulse control, and emotional regulation. The prefrontal cortex, basal ganglia, and cerebellum are some of the primary areas affected, and these changes contribute to ADHD behaviour such as impulsivity, inattention, and hyperactivity.

Neuroimaging studies highlight that these brain structure ADHD differences are linked to ADHD cognitive issues, particularly in how the brain processes information and manages executive functions. Research has also pointed to prenatal risk ADHD factors, such as maternal stress, smoking, or substance use, which can lead to developmental brain changes in utero, increasing the likelihood of ADHD in children. These prenatal factors can disrupt the normal neurodevelopment of the brain, particularly in regions that are critical for regulating attention and behaviour.

Common Symptoms Linked to Brain Structure and Function Risk Factors

The brain structure and function changes identified in neuroimaging studies contribute to various common symptoms of ADHD, including:

Inattention

Difficulty focusing and completing tasks due to underactivity in brain regions responsible for sustained attention.

Impulsivity

Impulsive actions, such as interrupting others or making snap decisions, linked to dysfunction in impulse control regions.

Hyperactivity

Restlessness and excessive movement, often seen in children with ADHD, resulting from altered motor control regulation.

Understanding the brain structure and function risk factors identified through neuroimaging studies helps in providing better insight into ADHD behaviour and informs treatment strategies.

Visit providers like ADHD Certify for personal consultations and expert advice tailored to your needs.

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Brain Structure and Function.

Written by

Harriet Winslow, BSc

Harriet Winslow is a clinical psychologist with a Bachelor’s in Clinical Psychology and extensive experience in behaviour therapy and developmental disorders. She has worked with children and adolescents with ADHD, autism spectrum disorder (ASD), learning disabilities, and behavioural challenges, providing individual and group therapy using evidence-based approaches such as CBT and DBT. Dr. Winslow has developed and implemented personalised treatment plans, conducted formal and informal assessments, and delivered crisis intervention for clients in need of urgent mental health care. Her expertise spans assessment, treatment planning, and behavioural intervention for both neurodevelopmental and mental health conditions.

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.

Reviewed by

Dr. Rebecca Fernandez, MBBS

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.