I think for normal people language is probably a kind of filter. One of the biggest challenges for an animal or an autistic person is dealing with the barrage of details from the environment.
From Animals in Translation. Dr. Grandin points out that when most people hear the word bowl – they just think of an abstract container, while an autistic person is likely to run through many detailed mental images of different kinds of bowls.
I brought the book with me on tour and enjoyed it very much. Highly recommended.