PIXABAY, TOUBIBE
Update (May 9): The Lancet Psychiatry has published several letters criticizing the study, along with a response from the authors and several corrections.
One letter, written by an independent group of researchers, described a reanalysis of the data controlling for IQ that “found no significant difference between individuals with ADHD and those in the control group.”
Hoogman and colleagues responded that IQ covariation “is the subject of intense discussions in ADHD research, and previous work advises against correcting for IQ. Because a slightly lower IQ can be a feature of ADHD, adjusting for IQ will remove disorder effects in brain regions associated with both ADHD and IQ.”
Update (April 26): A group called Mad in America has gathered more than 800 signatures on a petition ...