I have a degree in Psychology and have always been interested in why people do what they do, both individually and collectively. As I studied these behaviors, I realized that my "lens" or way of seeing the world, as well as my own mind and attitude have a significant effect on my experience of "reality."
I am a Tibetan Buddhist and I do a number of meditations daily that involve observing my thoughts and my mind's preoccupations. I have observed that our society and culture in the United States teaches us to think, talk, and act, all the time. Yet, as I have watched my thoughts, I have become aware that there is great power in "not thinking" and having no thoughts, not as in nihilism, but as in a calm, abiding state of consciousness that is very peaceful and happy. What is curious is that when I get into this state of mind, my thoughts turn from myself to others.
With this in mind, I have hypothesized a "Fourth Brain" that has these characteristics: