ADHD Diagnosis: Adult vs. Childhood

An adult ADHD diagnosis is not dependent on having been diagnosed as a child; rather, it is based on exhibiting symptoms during childhood. A study found that 75% of adults fulfilling ADHD criteria had never been diagnosed as children. The study, conducted in the US, looked at a general population aged 18 to 44, emphasizing that childhood diagnosis isn't essential for adult diagnosis. Symptoms during childhood are crucial in determining adult ADHD, and neuropsychological tests are used to assess individuals.