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The triune brain is a model of the evolution of the vertebrate forebrain and behavior, proposed by the American physician and neuroscientist Paul D. MacLean in the 1960s.
Triune mind, triune brain is a theoretical model developed by Canadian Buddhist scholar Suwanda H. J. Sugunasiri. It follows upon his clarification of the three terms used by the Buddha for consciousness, namely, Mano , Citta and Viññāṇa as can be seen in his work on the triune mind . [ 1 ]
In the 1960s, Dr. MacLean enlarged his theory to address the human brain's overall structure and divided its evolution into three parts, an idea that he termed the triune brain. In addition to identifying the limbic system, he hypothesized a supposedly more primitive brain called the R-complex, related to reptiles, which controls basic ...
The neocortex includes the cortex and the cerebrum. It corresponds to the brain of primates and, specifically, the human species. Each of the three brains is connected by nerves to the other two, but each seems to operate as its own brain system with distinct capacities. (See illustration in Triune brain.)
The Reptilian Brain was referred to by MacLean as the ‘R Complex’ or the primitive brain. [5] This is the oldest brain in the Triune Theory and anatomically is made up of the brain stem and the cerebellum. [10] In reptiles, both the brain stem and cerebellum dominate and are the control centres for basic function.
Embryonic vertebrate subdivisions of the developing human brain hindbrain or rhombencephalon is a developmental categorization of portions of the central nervous system in vertebrates. It includes the medulla , pons , and cerebellum .
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The triune ethics theory (TET) is a metatheory in the field of moral psychology, proposed by Darcia Narvaez and inspired by Paul MacLean's triune brain model of brain development. [1] TET highlights the relative contributions of biological inheritance (including human evolutionary adaptations ), environmental influences on neurobiology, and ...