ADHD and Intelligence

Does ADHD affect an individual’s level of intelligence?

ADD intelligence and executive functions, and the ability to see a few moves ahead like in chess
ADD intelligence and executive functions, and the ability to see a few moves ahead like in chess

Disorganization is independent of general intelligence. It is quite possible for an individual to be extremely bright on standard measures of intelligence and still have severe impairments of executive functions, such as those often seen in ADHD.

An individual’s overall level of “smarts,” as measured by standard IQ tests, appears to have little to do with whether he or she meets the diagnostic criteria for ADHD. Some of my ADHD patients are extremely bright, employed as university professors, scientists, physicians, attorneys, and senior executives.

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