How Are Brain Injuries Related to ADHD Development in DSM-5? 

The DSM-5 acknowledges the potential link between brain injuries ADHD and the development of ADHD symptoms. While ADHD is primarily considered a neurodevelopmental disorder with genetic and environmental influences, head injury or trauma can significantly contribute to the emergence of ADHD-like symptoms. Brain injuries, particularly those occurring in early childhood, can disrupt the brain’s normal development, affecting areas responsible for attention, impulse control, and executive function, which are key components of ADHD. 

Research suggests that trauma-related ADHD can manifest in children who have experienced head injuries. Damage to the prefrontal cortex, basal ganglia, or other areas involved in cognitive and behavioural regulation can lead to symptoms like those seen in ADHD, such as inattention, hyperactivity, and impulsivity. These neuropsychological changes caused by a brain injury can make it difficult for individuals to concentrate, organise tasks, or control their impulses. 

Although the DSM-5 primarily focuses on ADHD as a disorder with a genetic basis, it does consider the impact of brain injuries on the development and severity of ADHD symptoms. This is particularly relevant in cases where a clear history of head injury exists, and the symptoms begin to emerge following the injury. 

How It Helps 

Recognising the connection between brain injuries ADHD and ADHD symptom development allows clinicians to tailor their diagnostic approach. Understanding the impact of head injury on brain function ensures that treatment plans address both the neurodevelopmental and trauma-related aspects of ADHD, improving overall care and management. 

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 DSM-5 Diagnostic Guidelines.

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.