Personal Identity and Fractured Selves
Perspectives from Philosophy, Ethics, and Neuroscience
Publication Year: 2009
Published by: The Johns Hopkins University Press
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List of Contributors
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What makes me me, and not you? Am I still me, or the same me, no matter how many changes occur in my internal and external life? These arequestions that philosophers consider and have constructed theories of personal identity to resolve. These are also questions that clinical specialists inneurology, psychiatry, psychology, and neurosurgery regularly confront in thecare of patients with a variety of brain disorders and injuries and that...
Introduction: A âTwo Culturesâ Phrasebook
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This volume is the product of a symposium convened by the Johns Hopkins Berman Institute of Bioethics Program in Ethics and Brain Sciences. The project brought together prominent philosophers and neuroscientists to address the following question: When an individualâs personality changes radically, as a consequence of either disease or intervention, should this change dindividual still be treated as the same person? Over the course of the...
PART I: FOUNDATIONS
1 How Philosophers Think about Persons, Personal Identity, and the Self
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Most people develop a sense of self early in their lives and think of themselves as persistent. Whatever dramatic personal changes they may undergo over the course of their lives, they have a sense of living exactly one life from the inside.1 There are several philosophical questions to be asked aboutthis sense of self.2 One important question is whether anyone has a self corresponding to his or her sense of self. That is, we might want to make explicit...
2 Toward a Neurobiology of Personal Identity
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Because mental experiences derive from the brain, it has long seemed likely that neuroscientists could make progress in understanding the neural basis of specific mental experiences. In this chapter, we review three approaches to advancing our knowledge of how and which brain structures and functions might contribute to the experience of individual or personalidentity. One approach, neuropsychiatry, is clinical and is derived from...
3 Case Studies
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Peter Jones is a 75-year-old man with the diagnosis of Alzheimer disease(AD). There is no history of dementia in Mr. Jonesâs family. He has no history of substance abuse. Before the onset of his illness, Mr. Jones had no history of psychiatric symptoms or treatment. He was a healthy child and a good student. He earned an M.B.A. from Harvard and went on to work for a Fortune 500 company, rising steadily through the ranks. He was never fired from...
PART II: PHILOSOPHERS HOLD FORTH
4 Getting Our Stories Straight: Self-narrative and Personal Identity
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In everyday life we have relatively little trouble reidentifying people. Most questions of personal identity that we encounter can be settled by establishing relevant facts about human bodies. I may be uncertain that the personI am picking out of the police lineup is really the same person I witnessed running from the crime scene, but spying a distinctive tattoo may help settle the question for me. If I fear that the person claiming to be my long-lost brother...
5 Personal Identity and Choice
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It was John Locke who formulated the problem of personal identity as it is understood by contemporary philosophers (Locke 1975). He asked whether personal identity is the same as human identity, and he answered no, on the basis of the following interrelated considerations. First, he offered a definition of the person as âa thinking, intelligent being that has reason and reflection and can think itself as itself in different times and placesâ (335). He went on...
6 Diminished and Fractured Selves
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A large part of our daily life is based on knowing what to expect from human beings, and we are amazingly good at it, given how complicated humans are. After all, my brain and your brain are about as complicated as anything the world has to offer, and they control large systems, hundreds of pounds in my case, that to a casual observer might appear completely unpredictable. Consider all of the people attending this symposium. If we traced our...
PART III: NEUROSCIENTISTS PUSH BACK
7 After Locke: Darwin, Freud, and Psychiatric Assessment
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The conveners of the symposium organized it around a single question: When an individualâs personality changes radically, as a consequence of either disease or intervention, should this individual still be treated as the same person? Along with this question came the four case studies that illustrate dramatic changes in personality due to major changes in brain structure...
8 The Fictional Self
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What makes us human? This question has been debated for centuriesâwhat is it that differentiates us from the rest of the animal kingdom? The philosophers have talked about âpersonsâ as narrators of the self, as rational agents, and as social beings who can form theories about themselves...
Conclusion: Common Threads
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This book and the symposium that initiated it were based on two premises: (1) that bringing together experts from two different fieldsâphilosophy and neuroscienceâwhose work addresses the construct of personal identity would advance our understanding of the topic and be of value to individualsin both fields; and (2) that using examples of clinical cases in which individuals underwent a change in personal identity could ground the discussions...
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Page Count: 216
Publication Year: 2009