PREFACE Paul D. MacLean’s triune brain model was introduced to me in 1984. It was part of an in-service training for the staff of an alcohol treatment agency where I was working as an outpatient alcohol counselor. MacLean was a neuroscientist and chief of the Laboratory of Brain Evolution and Behavior at the National Institute […]
What does it tell us about the meaning of life when we can now say that for the first time in the known history of biology, we are witnessing the evolution of human beings with a concern not only for the suffering and dying of their own kind, but also for the suffering and dying […]
As is true of all models, the quadrune mind model of human consciousness is a simplification of reality. The diversity of people’s mentalities is much more complex than QM’s basic four: reptilian-like, old mammalian-like, new mammalian-like, and human. However, complex variations arise from the interactions of these four fundamental levels of consciousness. Understanding the dynamic […]