Author: Avery Lombardi, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS
Many people with ADHD start several tasks but struggle to finish them. This is not a sign of carelessness or poor motivation but a reflection of how ADHD affects brain systems that regulate attention, motivation and goal-directed behaviour. According to NHS guidance, adults with ADHD are often easily distracted, find it difficult to stay organised and can lose focus before completing what they started.
How ADHD affects task persistence
ADHD involves differences in executive functions the brain’s ability to plan, maintain focus and resist distractions. Research published in Frontiers in Psychiatry shows that working-memory weaknesses make it harder to hold goals in mind, so people may drift to other tasks or stimuli. When something more interesting appears, inhibitory control is reduced, making it difficult to resist switching attention.
Boredom, hyperfocus and reward sensitivity
Studies in adults with ADHD suggest that lower baseline dopamine levels make routine or slow tasks feel under-stimulating, leading to boredom and task switching. Conversely, when a task is highly engaging, “hyperfocus” can occur, where attention locks in too deeply on one activity, making it hard to shift to others (Oxford CBT).
Key takeaway
Jumping between unfinished tasks in ADHD reflects differences in attention control and reward processing, not lack of effort. Evidence-based strategies such as breaking tasks into smaller chunks, using reminders, setting visual checklists and following NICE guideline NG87 can help improve task completion and reduce overwhelm.
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
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.
