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What are the signs of executive function deficits in adult ADHD? 

PostedOctober 22, 2025
UpdatedOctober 23, 2025
ByMy Patient Advice
Author: Avery Lombardi, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Adults with ADHD often experience executive dysfunction, which refers to difficulties in the cognitive processes that help with planning, organisation, time management, impulse control, and task initiation. These challenges can manifest in everyday life as poor follow-through on tasks, missed deadlines, and disorganisation, all of which significantly impact personal, academic, and professional life. 

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How executive dysfunction affects ADHD 

Executive dysfunction in ADHD typically presents as: 

Planning difficulties 

Struggles with breaking down complex tasks and setting priorities. 

Organisation issues  

Misplacing items, forgetting appointments, and trouble keeping track of commitments. 

Impulsivity  

Difficulty resisting temptations, making hasty decisions, or interrupting others. 

Time management challenges  

Chronic lateness, underestimating task durations, and missing deadlines. 

Working memory problems  

Forgetting instructions or losing track of tasks in progress. 

Task initiation  

Procrastination or feeling “stuck” before starting tasks. 

Managing executive dysfunction 

According to NICE guidance (NG87, 2025) and NHS ADHD resources, several interventions can help manage these executive function challenges. These include Cognitive Behavioural Therapy (CBT), which focuses on improving organisation and time management, and ADHD coaching for personalised support in planning and prioritising. Medication can help regulate dopamine levels and improve attention and impulse control. Additionally, environmental modifications such as reminders, visual cues, and structured routines can reduce the cognitive load and improve daily functioning. 

If you find that executive dysfunction is holding you back from reaching your goals, consider a professional ADHD assessment. ADHD Certify offers affordable online assessments and ongoing support for adults and children across the UK. 

Key takeaway 

Executive dysfunction in ADHD affects key areas like planning, organisation, and time management. With appropriate support, including therapy, coaching, medication, and environmental adjustments, adults with ADHD can improve task follow-through, reduce procrastination, and better manage daily responsibilities. 

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Avery Lombardi, MSc, author for my patient advice - mypatientadvice.co.uk
Avery Lombardi, MSc
Author

Avery Lombardi is a clinical psychologist with a Master’s in Clinical Psychology and a Bachelor’s in Psychology. She has professional experience in psychological assessment, evidence-based therapy, and research, working with both child and adult populations. Avery has provided clinical services in hospital, educational, and community settings, delivering interventions such as CBT, DBT, and tailored treatment plans for conditions including anxiety, depression, and developmental disorders. She has also contributed to research on self-stigma, self-esteem, and medication adherence in psychotic patients, and has created educational content on ADHD, treatment options, and daily coping strategies.

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.