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Conscience: The Origins of Moral Intuition 1st Edition
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How do we determine right from wrong? Conscience illuminates the answer through science and philosophy.
In her brilliant work Touching a Nerve, Patricia S. Churchland, the distinguished founder of neurophilosophy, drew from scientific research on the brain to understand its philosophical and ethical implications for identity, consciousness, free will, and memory. In Conscience, she explores how moral systems arise from our physical selves in combination with environmental demands.
All social groups have ideals for behavior, even though ethics vary among different cultures and among individuals within each culture. In trying to understand why, Churchland brings together an understanding of the influences of nature and nurture. She looks to evolution to elucidate how, from birth, our brains are configured to form bonds, to cooperate, and to care. She shows how children grow up in society to learn, through repetition and rewards, the norms, values, and behavior that their parents embrace.
Conscience delves into scientific studies, particularly the fascinating work on twins, to deepen our understanding of whether people have a predisposition to embrace specific ethical stands. Research on psychopaths illuminates the knowledge about those who abide by no moral system and the explanations science gives for these disturbing individuals.
Churchland then turns to philosophy―that of Socrates, Aquinas, and contemporary thinkers like Owen Flanagan―to explore why morality is central to all societies, how it is transmitted through the generations, and why different cultures live by different morals. Her unparalleled ability to join ideas rarely put into dialogue brings light to a subject that speaks to the meaning of being human.
13 illustrations- ISBN-101324000899
- ISBN-13978-1324000891
- Edition1st
- PublisherW. W. Norton & Company
- Publication dateJune 4, 2019
- LanguageEnglish
- Dimensions6.4 x 0.9 x 9.6 inches
- Print length272 pages
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Editorial Reviews
Review
― Olivia Goldhill, New York Times
"Illuminating, entertaining and wise."
― Nicholas A. Christakis, Nature
"Lucid, stimulating accounts of recent discoveries in neuroscience and psychology."
― Sissela Bok, American Scholar
"Informative, accessible, and engaging."
― Glenn C. Altschuler, Psychology Today
"A thoughtful, accessible, and enlightening book."
― Kirkus Reviews
"Patricia S. Churchland takes us on a fascinating journey intertwining philosophy from Socrates and Aristotle to Kant and Solzhenitsyn to the latest ideas in neuroscience, covering a vast span of knowledge in a graceful and appealing style that is spellbinding. A jewel among books about human nature."
― Ann Graybiel, investigator at the McGovern Institute for Brain Research at MIT
"Conscience is an entertaining, erudite, and timely reminder of the neurobiological origins of those voices in our head telling us to behave. Moral philosophers, zealots and ideologues have been arguing for their versions of ‘good’ and ‘bad’ for millennia; now it’s time for Patricia S. Churchland to remind us that morality doesn’t come from a stone tablet or a logical axiom, but is rather one of Nature’s inventions enabling our greatest superpower: sociality. It’s messy, useful, and very human―like thumbs."
― Blaise Agüera y Arcas, distinguished scientist, Google AI
"In Conscience, Patricia S. Churchland pulls back the curtains and takes us behind the scenes to show where our morals come from. Packed with the latest neuroscience research, the surprising answer turns out to be our very own brains. A must-read for anyone with a conscience."
― Gregory Berns, author of How Dogs Love Us
"Patricia S. Churchland has done it again! She wisely guides readers on a lively romp through recent research in neuroscience, genetics, evolution, psychology, psychiatry, anthropology, economics, politics, and philosophy in order to reach a more complete understanding of how and why we can get along despite our deep disagreements about what is wrong or right. This fun and fascinating journey shows why morality cannot be fully understood without the wide variety of perspectives and of scientific information that this tour de force provides."
― Walter Sinnott-Armstrong, author of Think Again
"No one blends philosophy and neuroscience as well as Patricia S. Churchland. Here she provides a much-needed correction to the usual emphasis on reasoning and logic in moral philosophy. Our judgements are guided by ancient intuitions and brain processes shared with other mammals."
― Frans de Waal, author of Mama’s Last Hug
"The British intellectual C.P. Snow gave a lecture in which he argued that the sciences and humanities were different enterprises that could never be bridged. Churchland’s pioneering book Neurophilosophy showed that the bridge is in fact the human brain. Now she tackles the last stronghold of orthodox philosophers―human morality itself. And she has done it again, providing a powerful argument for a neuroscientific approach to morality"
― V. S. Ramachandran, author of The Tell-Tale Brain
About the Author
Product details
- Publisher : W. W. Norton & Company; 1st edition (June 4, 2019)
- Language : English
- Hardcover : 272 pages
- ISBN-10 : 1324000899
- ISBN-13 : 978-1324000891
- Item Weight : 2.31 pounds
- Dimensions : 6.4 x 0.9 x 9.6 inches
- Best Sellers Rank: #1,159,642 in Books (See Top 100 in Books)
- #4,180 in Philosophy of Ethics & Morality
- #4,912 in Biology (Books)
- #42,236 in Unknown
- Customer Reviews:
About the author

I am Professor of Philosophy (emerita) at the University of California, San Diego, and an adjunct professor at the Salk Institute for Biological Research. As a philosopher, I focus on the interface between traditional philosophical questions (what is knowledge, where do values come from) and new developments in neuroscience and genetics. I call this sort of interfacing "Neurophilosophy" and my 2011 book (Braintrust) links morality with the brain and its evolution. My newest book is Touching a Nerve: The Self as Brain (2013).
My husband, Paul Churchland and I work closely together, which is fortunate because at first, most philosophers dismissed our work as "not real philosophy". Mark Churchland, our son, and Anne Churchland, our daughter, are both neuroscientists (at Columbia and Cold Spring Harbor respectively). Our golden retrievers, Duff and Farley, distribute a lot of fur about and swim whenever they get the chance. It is hard to say how smart they are, but they are excellent models for attachment and bonding.
An extended interview can be found on The Science Network: www.tsn.org and on Philosophy Bites http://www.philosophybites.libsyn.com
You can see Pat interviewed on The Colbert Report January 23 2014.
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I highly recommend this book. It is down-to-earth philosophy that is very readable and wise. It turns out that the only rule that makes sense is: There are no rules that always make sense. And yes, for most of us there is a conscience.
The subtitle of Churchland's book implies that the conscience is moral intuition, a sense of right and wrong. Although she refers to several philosophers and their thoughts, her basic thesis is that morality is a behavioral bias that arises from a combination of inherited instinct and acquired social norms. Apparently the inherited instincts manafest as chemical receptors in the brain and the social norms are acquired via the brain's reward system.
I submit for your consideration that this question is the Philosophical pivot point of Dr. Church's work. It is the Philosophical question to be resolved as human progress from faith-centric thinking to reason-centric thinking.
Dr. Churchland then insightfully follows with :
"Of course, meanings of words do shift and change, and perhaps the meaning of "free will" should change to reflect the idea of causal vacuum."
Of this statement, I submit that a claim of "causal vacuum" would be better expressed as "complex, interacting causes", and thus recognizing that "free" carries the meaning of "unconstrained." The attached semantic model illustrates the shift from "free" to perhaps "able to act at will within pre-existing constraints."
Dr. Churchland in Consciousness identifies several domains which as causal-based constraints an individuals choices. The first is of course the various mechanisms in the modeling of brain function. Another is the social, cultural setting in which an individual is born.
But she also describes the brain functions that provides the a model for moving from being totally determined, to incremental steps in the direction less contained choices.
To model this multiple, interacting causality, I submit, there is a more nuanced representation than the traditional binary, true/false method. I instead propose that the Fuzzy logic model developed within the AI community will bridge the science perspective and the Philosophical perspective.
This is why Dr. Churchland is likely to be much-quoted in "Reconceptualizing Free Will and Determinism using Fuzzy Logic."
Reviewed in the United States on April 12, 2021
I submit for your consideration that this question is the Philosophical pivot point of Dr. Church's work. It is the Philosophical question to be resolved as human progress from faith-centric thinking to reason-centric thinking.
Dr. Churchland then insightfully follows with :
"Of course, meanings of words do shift and change, and perhaps the meaning of "free will" should change to reflect the idea of causal vacuum."
Of this statement, I submit that a claim of "causal vacuum" would be better expressed as "complex, interacting causes", and thus recognizing that "free" carries the meaning of "unconstrained." The attached semantic model illustrates the shift from "free" to perhaps "able to act at will within pre-existing constraints."
Dr. Churchland in Consciousness identifies several domains which as causal-based constraints an individuals choices. The first is of course the various mechanisms in the modeling of brain function. Another is the social, cultural setting in which an individual is born.
But she also describes the brain functions that provides the a model for moving from being totally determined, to incremental steps in the direction less contained choices.
To model this multiple, interacting causality, I submit, there is a more nuanced representation than the traditional binary, true/false method. I instead propose that the Fuzzy logic model developed within the AI community will bridge the science perspective and the Philosophical perspective.
This is why Dr. Churchland is likely to be much-quoted in "Reconceptualizing Free Will and Determinism using Fuzzy Logic."
A small part of the book is devoted to arguing against common philosophical systems which deal with human behavior. Churchill chooses Christian natural law theory, Kantianism and Utilitarianism as her targets. Unfortunately, it’s hard to summarize centuries of argument in a mere thirty pages and the opposing systems are reduced to little more than caricatures.
Lastly, one can look at it as offering its own scientifically informed philosophical account of human morality. Her perspective is interesting but briefly exposited. She seems to think that conscience is largely the training of the punishment/reward system via changes in dopamine levels in line with community norms. Instances such as when communities must change their stances become hard cases.
Above all, Churchland argues against ideology or adapting one cognitive framework that determines morality for all and for all time. It’s a fairly conventional sentiment in the modern academy and is likely to be well-received. It annoyed me that she twists the Ancient Greek philosopher Socrates to find some ancient grounding for this position but it is otherwise well-articulated.
If you are looking for a layperson’s guide to the biology of morality this book is an excellent source. I found the more philosophical parts of the book too brief to be actually constructive but non-specialists in the Western philosophic tradition may differ.
Top reviews from other countries
I have previous read one other book on this subject "Moral Tribes by Joshua Greene". Churchland's approach to how and why we evolved a reward system in the brain that makes us into moral beings with a conscience is well argued. The first chapters ae on the development of intelligent social behaviour in endothermic animals (particularly mammals and humans), and how this naturally led to animals with brains that are structured to be moral. She explores how the neurobiology and biochemistry of the brain and reward system have been evolved to provide the substructure for this moral behaviour. The second half of the book is more about philosophy of morality.
This is quite a different book from Moral Tribes, I am not sure which one I preferred, so I am pleased I read both.
Churchland writing is full of common sense, and I found this book a joy to read. I will be looking up the other books she has written.
I have read on morality is Moral Tribes by Joshua Greene


