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Soul Made Flesh is the remarkable untold story of a dramatic turning point in history, the exciting discovery of how the human brain works. In an unprecedented examination of how the secrets of the brain were revealed in seventeenth-century England, award-winning author Carl Zimmer tells an extraordinary tale that unfurls against a deadly backdrop of civil war, plague, and the Great Fire of London. At the beginning of that turbulent century, no one knew how the brain worked or even what it looked like intact. By the century's close, the science of the brain had taken root, helping to overturn many of the most common misconceptions and dominant philosophies about man, God, and the universe. Presiding over the rise of this new scientific paradigm was the founder of modern neurology, Thomas Willis, a fascinating, sympathetic, even heroic figure who stands at the center of an extraordinary group of scientists and philosophers known as the Oxford circle. Chronicled here in vivid detail are their groundbreaking revelations and often gory experiments that first enshrined the brain as the chemical engine of reason, emotion, and madness, indeed as the very seat of the human soul. Called 'as fine a science essayist as we have' by The New York Times, Zimmer tells the story of this scientific revolution through the lives of a colorful array of alchemists, mystics, utopians, spies, revolutionaries, and kings. He recreates the religious, ethical, and scientific struggles involved in the pioneering autopsies of the brain carried out by Thomas Willis; the discovery of the circulation of blood by William Harvey and his flight from London with his besieged king, Charles I; René Descartes's persecution by Catholics and Protestants alike for his views of the brain and soul; and the experiments and personal dramas of gifted men who forever changed the way science is practiced as they simultaneously upended our view of our human selves and our place in the world. In this distant mirror to our own time of continuing scientific revolution and worldwide social upheaval, Zimmer brings to life the painstaking, innovative discoveries of Willis and his contemporaries, the taproots of the amazing work of today's neuroscientists, who continue to explore the brain, revealing the hidden workings of emotions, memories, and consciousness. Graced with beautiful illustrations by Christopher Wren, Soul Made Flesh conveys a contagious appreciation for the wonder of the brain, its structure, its many marvelous functions, and the implications for human identity, mind, and morality. It is the definitive history of the dawn of a world-changing science and attitude, the age of the brain and modern consciousness.… (more)
User reviews
The ferment of ideas in this period is extraordinary and Zimmer does an excellent job in summarizing them and tying them together, showing how discoveries in one 'area', like chemistry, affected other in other 'areas', like medicine (though these men certainly had not conceived of our modern 'areas' of science like chemistry and physics), and how these discoveries both were influenced by, and influenced in turn, the way we view the world around us.
Zimmer's centerpiece is Willis' investigations into the brain and nerves, and he argues that his discoveries essentially presaged much of modern neurology, limited mostly by Willis' lack of knowledge of electricity. He further argues that these discoveries had a profound effect on how we viewed sickness and health, and how we understand 'the soul'.
I want to spend a second taking issue with some comments by another reviewer: First, because Willis is not generally as well known as some of the other scientists described here does not mean his importance has been overstated. Zimmer's arguments that his discoveries changed how we look at the body and world are compelling, even if most of the world has forgotten where the discoveries originated. Second, I don't think that people feel relief just because they find out that mental illness is treatable; whether treatable or not, patients are often relieved to find out that their illness has a rational basis, that we can put a label on it, and describe why it is happening. It relieves them to know that they are not just 'crazy'. Third, to paraphrase Mozart in 'Amadeus', the book is precisely as long as it needs to be to get Zimmer's points across. It does not ramble, it is not repetitious, and is just plain interesting from beginning to end.
For all students of science and history, this is a wonderful book and is well worth your time.
Willis is best known today as the source for the “Circle of Willis”, the circle of blood vessels allowing continuous arterial blood flow to the brain. But he, along with Thomas Lower, Christopher Wren, and Robert Hooke made the first real studies of the brain under conditions that allowed them to see the brain’s structure without the damage done by earlier surgical methods (and, of course, the rapid decomposition of the brain under comparatively primitive conditions). In the process, the concept of the soul (or several souls) gradually became localized from the body as a whole, or from assorted organs in the body, to the brain itself.
The seventeenth century was, indeed, a miracle century. The turmoil of the Glorious Revolution, the Restoration, and James’s flight and replacement by William and Mary of Orange allowed a loosening of church oversight that provided the opportunity to question everything. Science came to be in this age, and the discoveries that were made by these men with the tools they had available and devised for themselves are still relevant today.
Most interesting to me were the descriptions of experiments these practitioners of the medical arts came up with to understand the human body. How does one, for example, prove that the blood circulates in the body? Or that something in the blood (invisible to everyone then as now) was required for life? Fascinating reading by an excellent science writer.
Willis is an interesting character, for while he based his studies on careful dissections of patients (from all classes) and animals, his medical treatments were mostly the same traditional ones---just justified with new logic. He also had to juggle to stay on the right side of the church, which did not like purely mechanistic explanations for reason. Willis proposed that every person has a sensitive soul and a rational soul, both located in the brain but the latter not being material and surviving the body's death.
Zimmer can be a good writer, and there are several interesting stories here. He overstates Willis's importance, but that is to be expected. He claims that people are pleased to learn of depression's physical causes because that means it is separate from the self. He is trying to argue that Willis's separation of the sensitive and rational souls is deeply embedded in modern culture (because we are relieved that depression is a disease of the sensitive soul), and that this false dichotomy---mental versus physical, the self versus the brain---causes grief and confusion. In fact, the real reason for this relief is that it makes depression something treatable. It is still interesting that Willis, being unwilling to accept purely mystical explanations for rationality, was among the first to confront these separations.
More importantly, the book cries out for editing; it should be half as long.
Recommended.
The first two chapters are a quick but readable history of the whereabouts of the embodied mind as imagined by the ancient Greeks, Aristotle, Aquinas, and other philosophers. Until the 1600's, most doctors thought the ventricles were