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Download Second Nature: Brain Science and Human Knowledge by Gerald M. Edelman PDF

By Gerald M. Edelman

Burgeoning developments in mind technological know-how are establishing up new views on how we gather wisdom. certainly, it really is now attainable to discover consciousness—the very heart of human concern—by clinical capability. during this illuminating e-book, Dr. Gerald M. Edelman deals a brand new idea of data in accordance with amazing medical findings approximately how the mind works. And he addresses the similar compelling query: Does the newest examine suggest that each one wisdom may be decreased to clinical description?Edelman’s brain-based method of wisdom has wealthy implications for our figuring out of creativity, of the traditional and irregular functioning of the mind, and of the connections one of the alternative ways now we have of understanding. whereas the gulf among technological know-how and the arts and their respective perspectives of the area has appeared huge, immense long ago, the writer indicates that their changes should be dissolved via contemplating their origins in mind services. He foresees an afternoon while brain-based units may be wide awake, and he displays in this and different interesting principles approximately how we come to understand the area and ourselves.

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First, consider embodiment. All of the activities I described in the last chapter depend on signals to the brain from the body and from the brain to the body. The brain’s maps and connections are altered not only by what you sense but by how you move. In turn, the brain regulates fundamental biological functions of your body’s organs in addition to controlling the motions and actions that guide your senses. These functions include fundamental aspects of sex, breathing, heartbeat, and so on, as well as the responses that accompany emotion.

Where can we turn after relinquishing the notion of computation? 1 Darwin proposed that categories (of characters or of species) could arise by selection from a population of variant individuals—individuals having different traits. According to his seminal idea of natural selection, competition within and between species would result in the survival and reproduction of those individuals that were, on the average, fitter than others. As a result, their progeny and—as we now know—their genes would survive.

O. 13 Nonetheless, evolutionary psychology continued to put an emphasis on genes as the prime units of selection (“selfish genes” in Dawkins’s designation) in order to explain behavior, particularly social behavior. In both evolutionary epistemology and evolutionary psychology, a kind of panselectionism is used to explain knowledge and behavior. In sporadic cases the concepts of these fields have some value. 043_052 7/22/06 1:56 PM Page 52 ior and knowledge to one overarching paradigm. This runs the risk of generating just-so stories that are difficult to verify: logic and propositional analyses are not simply products of evolution and certainly not of selection in present-day individuals or populations.

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