Hi New Haven.... that's an interesting website, full of lots of interesting links, especially in the psychology section.... thanks!!
A really good book about dog psychology, and dog training, is...
"Culture Clash", by Jean Donaldson
My friend just rescued a Border Collie puppy, who is deaf. My friend already has two Border Collies. It's really fascinating to hear about how she is working with this little puppy. His name is Samson. He doesn't use the same methods of communication, as the other two BC's, who have accepted him and are learning to communicate with him using totally different methods.