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How Do Professionals Assess Executive Function vs Intelligence? 

PostedOctober 10, 2025
UpdatedOctober 10, 2025
ByMy Patient Advice

When evaluating individuals with ADHD, professionals often need to distinguish between executive function ADHD testing and intelligence. While intelligence measures cognitive potential, executive function involves a set of mental skills that help individuals plan, focus, remember, and manage tasks. Assessing these two areas requires different approaches, as executive function difficulties are common in ADHD, even in individuals with high intelligence. 

Executive function ADHD testing focuses on specific cognitive abilities such as working memory, organisation, and task planning. These skills are crucial for completing tasks, managing time, and controlling impulses, all of which can be difficult for individuals with ADHD. On the other hand, intelligence testing generally measures problem-solving skills, reasoning, and abstract thinking, which may not directly assess executive function skills. 

How It Helps 

Here’s how professionals assess executive function vs intelligence: 

Working Memory 

In executive function ADHD testing, working memory is often evaluated to see how well an individual can hold and manipulate information in their mind. This differs from intelligence testing, which may not capture the difficulties someone with ADHD experiences in this area. 

Planning and Organisation 

Professionals also assess skills such as planning and organisation, which are central to executive function. Intelligence tests, however, focus more on overall cognitive abilities, not necessarily how someone plans or manages their tasks in daily life. 

By using both cognitive vs behavioural assessments, professionals can distinguish between challenges related to executive function ADHD testing and those linked to intellectual strengths, providing a comprehensive view of the individual’s abilities and needs. 

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 Myths about ADHD and intelligence.

Harriet Winslow, BSc - My patient advice author - mypatientadvice.co.uk

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, author and a reviewer for my patient advice - mypatientadvice.co.uk

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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