Overdiagnosis is not a problem, but misdiagnosis may be as people are driven into the private sector by long waits, and sadly, missed diagnoses remain common —Tamsin Ford
Experts are warning that far from being over-diagnosed, people with ADHD are waiting too long for assessment, support and treatment.
You can’t get diagnosed with an fmri alone. It’s just one sign, a weak one, so you’d need the professional doing questionnaires anyways. They are way cheaper and faster (in terms of waiting times) than fmris too. Might as well skip it.