In the second and third years, autistic children have less frequent and less diverse babbl

People with autism have social impairments and often lack the intuition about others that many people take for granted. Noted autistic Temple Grandin described her inability to understand the social communication of neurotypicals as leaving her feeling "like an anthropologist on Mars". Social impair

In a pair of studies, high-functioning autistic children aged 8-15 performed equally well, and adults better than individually matched controls at basic language tasks involving vocabulary and spelling. Both autistic groups performed worse than controls at complex language tasks such as figurative language, comprehension and inference. These studies suggest that people speaking to autistic individuals are more likely to overestimate what their audience comprehends.