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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. The triune brain consists of the reptilian complex (basal ganglia), the paleomammalian complex (limbic system), and the neomammalian complex , viewed each as independently ...
Paul D. MacLean was born in Phelps, New York, the third of four sons of a Presbyterian minister. He received his bachelor's degree in English from Yale University in 1935 and intended to study philosophy at the University of Edinburgh, but after a family illness, spent a year completing pre-medical work in Edinburgh instead.
The neomammalian brain is one of three aspects of Paul MacLean's triune theory of the human brain. MacLean was an American physician and neuroscientist who formulated his model in the 1960s, which was published in his own 1990 book The Triune Brain in Evolution. [1] MacLean's three-part theory explores how the human brain has evolved from ...
In this work, Sugunasiri primarily seeks to correlate Buddhist concepts with Paul MacLean's theory of the triune brain - reptilian, paleomammalian, and protomammalian. [3] He shows how the Buddha's term sattā, [4] meaning 'sentient being', covers both humans and animals, each having the six senses, including the sixth mind-sense.
Paul D. MacLean, as part of his triune brain theory (which is now considered outdated [citation needed] [30] [31]), hypothesized that the limbic system is older than other parts of the forebrain, and that it developed to manage circuitry attributed to the fight or flight first identified by Hans Selye [32] in his report of the General ...
Rapaille subscribes to the triune brain theory of Paul D. MacLean, which describes three distinct brains: the cortex, limbic, and reptilian. Beneath the cortex, the seat of logic and reason, is the limbic, which houses emotions. Camouflaged underneath those is Rapaille's theorized brain—the reptilian. [10]
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 ...
The "triune theory of the brain" McLean, P. (2003) [18] is one of several models used to theorize the organizational structure of the brain. The most ancient neural structure of the brain is the brain stem or "lizard brain".