The author discusses different theories related to philosophy and theology. He cites the four rival theories of diachronic personal identity mentioned by researcher Bertha Alvarez Manninen, which explores the genetic, animalism, and psychological account. The author also mentions the argument of philosophy professor of Michael Tooley regarding the role of the brain and personal identity. Furthermore, he mentions several studies that suggest ways on how to cure personality disorder.
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Christopher Kaczor, 26. “Philosophy and Theology” Notes on Diachronic Personal Identity, National Catholic Bioethics Quarterly 10.2 (Summer 2010): 395-401.