In short: Executive functions are the brain’s management skills — planning, starting, switching and remembering. Executive dysfunction is common in ADHD and autism and is not laziness.
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Executive dysfunction is difficulty with the mental skills that help us plan, start, organise and finish tasks. It explains why you can do complex work you love but cannot post a letter.
The main executive functions
- Task initiation — getting started
- Working memory — holding information in mind
- Planning and prioritising
- Cognitive flexibility — switching tasks or plans
- Time management — sensing time passing
- Emotional regulation
What it looks like day to day
- Staring at a simple email for an hour
- Piles of laundry that never get sorted
- Missing appointments despite caring about them
- Freezing when there are too many choices — see ADHD paralysis
Tools that help
- Break tasks into the smallest first step (“open the laptop”).
- Use external memory: visual timers, alarms, whiteboards.
- Try body doubling.
- Reduce decisions: routines, templates, uniforms.
- Pair boring tasks with stimulation (music, podcasts).
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Sources & further reading
- Barkley — Executive functions and ADHD (CHADD)
- Demetriou et al. (2018), Autism and executive function meta-analysis, Mol Psychiatry
- Harvard Center on the Developing Child — Executive function
Last checked: 31 October 2026. If you spot something out of date, tell us.