This blog post on the Official SketchUp Blog shows how a program called Project Spectrum helps autistic students use Google SketchUp to change their learning.

People with autism tend to be unusually strong visual and spatial thinkers, and it became clear that SketchUp plays to those strengths. With that bit of information (and help from the Autism Society of Boulder County), we launched Project Spectrum with a single goal: connecting the autism community with SketchUp.