George vaillant, spiritual Evolution. modern neuroscience has
also allowed us to appreciate that we have more than one brain. If there.... are important differences between ideas and emotions, there are differences in the parts of the brain most important to their appreciation. If there are important differences between lyrics and music, there are differences in the parts of thebrain important to their creation. To oversimplify, the left-brain hemisphere specializes in details and articulates and understands ideas, words, and component parts. The right brain specializes in inarticulate music, visual images, and wholes (gestalts). The limbic brain specializes in emotion. Cognitive ideas can be expressed in
words and controlled voluntarily, and for their expression ideas are powerfully dependent on the Homo sapiens’ cerebral hemispheres—the neocortex. Emotional feelings are equally dependent on our more mammalian subcortical brain—the limbic system and the hypothalamus.
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