"Accounting for [ADHD].. we found that autism traits continued to explain a significant amount of variance in participants' overall level of executive function..
Interestingly, high and low trait groups did not differ on the inhibitory control and organization of materials scales, areas .. largely spared in individuals with ASD as well."
Executive function in individuals with subthreshold autism traits,
Neuropsychology. 2010 Sep;24(5):590-8.