Frequently Asked Questions FAQ's
Dr Nancy Allen
17 Jan 2026
Diagram explaining the neurobiology of ADHD, showing the prefrontal cortex, limbic system, basal ganglia and reticular activating system and how dopamine regulation affects attention, impulsivity and emotional regulation.
Understanding ADHD as a neurodevelopmental condition can be an important part of the diagnostic process. Many adults have spent years believing their difficulties were due to personal shortcomings rather than differences in how their brain processes attention, motivation and emotional regulation. A thorough adult ADHD assessment considers both current symptoms and lifelong patterns to provide clarity, explanation and appropriate clinical guidance. Accurate diagnosis allows individuals to make informed decisions about support, treatment and self-management strategies moving forward.
Q: How long does an adult ADHD assessment take?
Assessments typically last between 60 and 90 minutes, depending on complexity.
Q: Do I need childhood school reports?
School reports can be helpful but are not essential.
Q: Can adults be diagnosed later in life?
Yes. Many adults receive a diagnosis in their 30s, 40s, or later.
Q: Is ADHD recognised in adults in the UK?
Yes. ADHD is recognised by NICE as a lifelong condition.