People with HFA have a lower verbal reasoning ability Better visual/spatial skills (higher performance IQ) than people with Asperger syndrome Less deviating locomotion than people with Asperger syndrome People with HFA more often have problems functioning independently Curiosity and interest for many different things, in contrast to people with Asperger syndrome People with Asperger syndrome are better at empathizing with another The male to female ratio of 4:1 for HFA is much smaller than that of Asperger syndrome