0 not having autism (= a condition in which people typically show repeated behaviour, narrow interests, and limited social and communication skills) -- 没有自闭症的
1 someone who does not have autism -- 没有自闭症的人
An autistic person may be indistinguishable from their allistic peers to a layperson.
Regardless of how much research has been done by an allistic person, the true experts on autism are autistic people.
People with ADHD are allistic, but not neurotypical.
If someone prefers to be called a “person with autism”, it's not an allistic's place to correct them.
He created a blog to teach allistics the skills that are important for communication with autistic people.