Finally, there is one more piece of corroborating evidence. The techniques that we have evolved over the past several decades in the field of artificial intelligence to recognize and intelligently process real-world phenomena (such as human speech and written language) and to understand natural-language documents turn out to be mathematically similar to the model I have presented above. They are also examples of the PRTM. The AI field was not explicitly trying to copy the brain, but it nonetheless arrived at essentially equivalent techniques.
