Deep Brain Stimulation and the Search for Identity

Neuroethics 6 (3):499-511 (2011)
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Abstract

Ethical evaluation of deep brain stimulation as a treatment for Parkinson’s disease is complicated by results that can be described as involving changes in the patient’s identity. The risk of becoming another person following surgery is alarming for patients, caregivers and clinicians alike. It is one of the most urgent conceptual and ethical problems facing deep brain stimulation in Parkinson’s disease at this time. In our paper we take issue with this problem on two accounts. First, we elucidate what is meant by “becoming another person” from a conceptual point of view. After critically discussing two broad approaches we concentrate on the notion of “individual identity” which centers on the idea of “core attitudes”. Subsequently we discuss several approaches to determine what distinguishes core attitudes from those that are more peripheral. We argue for a “foundational-function model” highlighting the importance of specific dependency relations between these attitudes. Our second aim is to comment on the possibility to empirically measure changes in individual identity and argue that many of the instruments now commonly used in selecting and monitoring DBS-patients are inappropriate for this purpose. Future research in this area is advised combining a conceptual and an empirical approach as a basis of sound ethical appraisal.

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References found in this work

Reasons and Persons.Derek Parfit - 1984 - Oxford, GB: Oxford University Press.
After virtue: a study in moral theory.Alasdair C. MacIntyre - 1981 - Notre Dame, Ind.: University of Notre Dame Press.
Freedom of the will and the concept of a person.Harry G. Frankfurt - 1971 - Journal of Philosophy 68 (1):5-20.
The Ethics of Authenticity.Charles Taylor - 1991 - Harvard University Press.
Ruling Passions: A Theory of Practical Reasoning.Simon Blackburn - 1998 - New York: Oxford University Press UK.

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