What brain structure and function genes are linked to ADHD causes?

PostedAugust 18, 2025

UpdatedSeptember 4, 2025

ByMy Patient Advice

Author: Harriet Winslow, BSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Brain genes ADHD causes play a crucial role in understanding the biological foundations of ADHD. Research has shown that certain genes affect the development and function of the brain regions involved in attention, impulse control, and emotional regulation, which are key aspects of ADHD. These genetic differences affect brain structure and function in ways that predispose people to ADHD, which greatly increases the likelihood of developing the disorder.

The prefrontal cortex, responsible for attention, decision-making, and impulse control, is particularly influenced by genetic factors. Brain genes ADHD causes are linked to changes in the development of this area of the brain, often leading to difficulties with concentration and behavioural regulation. ADHD is also significantly influenced by other genes that impact neurotransmitter systems, including dopamine. Neurogenetics ADHD explores how these genetic factors contribute to the condition, highlighting the importance of genetic research in understanding ADHD’s origins.

Common Symptoms Linked to Brain Genes and ADHD

Here are some common symptoms associated with brain genes ADHD causes:

Difficulty focusing and staying on task

Children and adults with ADHD may struggle to focus, particularly during tasks that require sustained attention. This is linked to genetic variations that affect the prefrontal cortex.

Impulsivity and emotional regulation issues

Impulsivity, such as acting without thinking or emotional outbursts, is common in ADHD. These behaviours are often linked to genetic factors affecting the basal ganglia.

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.

Harriet Winslow, BSc

Author

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.

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.