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TRINITY & OTHER DOCTRINES OF GOD:<br />
PROF. M. M. NINAN<br />
APPENDIX 2<br />
The Triune Brain theory<br />
To really understand yourself it’s necessary to have a correct understanding of how the<br />
brain works. It may come as a surprise to most people to realize that even though we<br />
only have one mind it actually consists of three different brains! This concept is called<br />
the Triune Brain Theory and was developed by the American neuroscientist Paul D.<br />
MacLean.<br />
Our three brains are the reptilian brain, the mammalian brain, and the primate/human<br />
brain. Generally speaking the reptilian brain is concerned with survival, fight-or-flight<br />
responses, and it has an aggressive kill-or-be-killed mentality. The mammalian brain is<br />
the part of the brain where our feelings originate. To reproduce and to eat, in addition to<br />
getting, acquiring, and dominating others, is its prime motivations. The primate/human<br />
brain is where our spiritual values and our ability for rational and abstract thinking is<br />
located. Its main focus is love, learning, truth, beauty, freedom, justice, and creation.<br />
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