ADHD and intelligence are largely independent. Group-level IQ differences exist (around 9 points on average) but are explained primarily by attention-sensitive subtests rather than by deficits in reasoning ability. The General Ability Index, when reported alongside Full Scale IQ, often gives a fairer picture of cognitive capacity in this.. We published a study of 117 high-IQ children and adolescents with ADD. All of these bright students were struggling in school and often also in social relationships due to ADD.
There are many misconceptions surrounding the relationship between ADHD and intelligence. Some assume that individuals with ADHD have lower IQs, while others believe the condition is more common among gifted or high-IQ individuals. In reality, ADHD can be diagnosed in people across the full spectrum of intelligence: low, average, and high. Regardless of cognitive ability, people with ADHD may.. Some believe that children with ADHD are smarter than those without it. Learn if there's a correlation between intelligence and ADHD.