The [ original source ] for these is highly gendered.
Under the cut, I am retyping the original source in gender-neutral language, as atypical autism traits do not only appear in girls.
If you are Autistic and your autism matches this profile, it does not mean that you must be a girl; it just means your autism is a kind that often gets missed by traditional diagnostic profiles. These traits were commonly found by researchers in cisgender girls, but they are by no means exclusive to cisgender girls.
The traits are split into four categories.