Language and verbal memory in individuals with a history of autism spectrum disorders who have achieved optimal outcomes.

Gotham et al. (2014) looked at kids who once had an autism diagnosis but now score in the typical range. They call this group 'optimal outcome.'

The team gave language and memory tasks to three groups: optimal-outcome kids, kids still diagnosed with high-functioning autism, and typically developing peers.

They used the Test of Language Competence-Expanded to see how each group handled complex language.

The optimal-outcome group matched typical peers on most language tests. Only a small gap showed up on tricky items that lean hard on verbal memory.

Kids who kept the HFA label scored lower on language even though their IQs sat in the average range.

James et al. (2008) saw the opposite picture: children with low-functioning autism plus intellectual disability had clear lexical gaps. The two studies seem to clash, but the gap vanishes when you notice Jill's group was minimally verbal while Katherine's optimal-outcome group had average or above IQ.

Greene et al. (2019) extends the story by showing teens who still carry an ASD diagnosis struggle with word retrieval and show odd frontal-lobe activity. That deficit is absent in Katherine's optimal-outcome sample, suggesting recovery may include normalizing frontal language circuits.

Plant et al. (2007) used the same TLC-E tool a decade earlier and found wide language scatter across the whole autism spectrum. Katherine sharpens that picture by proving a small subgroup can land in the normal range.

If a client loses the ASD label, don't assume all skills are equal. Watch tasks that tax verbal memory—give extra visual cues or break instructions into smaller chunks. For kids who keep the diagnosis, the data say language may look 'okay' on paper yet still lag behind peers; keep pushing vocabulary and complex comprehension even when standard scores seem fine.