Personal Identity and the Phineas Gage Effect
15 Pages Posted: 20 May 2015 Last revised: 18 Jun 2015
Date Written: May 15, 2015
Phineas Gage’s story is typically offered as a paradigm example supporting the view that part of what matters for personal identity is a certain magnitude of similarity between earlier and later individuals. Yet, reconsidering a slight variant of Phineas Gage’s story indicates that it is not just magnitude of similarity, but also the direction of change that affects personal identity judgments; in some cases, changes for the worse are more seen as identity-severing than changes for the better of comparable magnitude. Ironically, thinking carefully about Phineas Gage’s story tells against the thesis it is typically taken to support.
Keywords: personal identity, Phineas Gage
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