How Does Brain Structure and Function Affect Working Memory in ADHD?

PostedAugust 19, 2025

UpdatedSeptember 4, 2025

ByMy Patient Advice

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

ADHD brain imaging has revealed that brain structure and function play a crucial role in the working memory deficits commonly seen in individuals with ADHD. Working memory, which is the ability to hold and manipulate information over short periods, is essential for tasks such as problem-solving, following instructions, and staying focused. Brain scans ADHD often show structural differences in areas of the brain, such as the prefrontal cortex, that are responsible for working memory and attention. These ADHD brain imaging findings help explain why individuals with ADHD may struggle to retain and process information efficiently.

The prefrontal cortex, which is involved in working memory and executive function, often shows reduced activity or abnormal development in individuals with ADHD. Neurodevelopment issues in this area can lead to difficulties in maintaining focus, recalling information, and organising thoughts. This disruption in ADHD brain imaging has a direct impact on ADHD behaviour, making it harder for children and adults with ADHD to manage day-to-day tasks that require holding multiple pieces of information in mind at once.

Common Symptoms of Working Memory Issues in ADHD

The brain structure and function disruptions observed in ADHD brain imaging can lead to a range of symptoms related to working memory difficulties. Some of the common signs include:

Difficulty Remembering Instructions

Children and adults with ADHD may struggle to remember multiple steps or instructions, making it harder to complete tasks at school, work, or home.

Challenges with Focus

Individuals with ADHD often find it difficult to hold their attention on a single task, as their working memory may not be strong enough to keep track of the necessary details. This can lead to incomplete tasks or frequent distractions.

Problems with Organising Thoughts

Working memory issues can also impact the ability to organise and prioritise thoughts. This can make planning and decision-making more challenging, affecting academic and social interactions.

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.