a: limbic system ~
b: an old-fashioned hammer


"The cerebral cortex of our brain, our convoluted gray matter, our complex thinking apparatus, our central processing unit, is a relatively recent addition to our brain. Our cerebrum enhanced the more primitive underlying limbic system, the seat of our ancient emotions and our innate temperament. The limbic system is like an old-fashioned hammer, simple, sturdy and rugged."

Writer: Walter E. Requadt
Date: Dec 9 2014 2:09 PM

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