Showtime at the Cartesian Theater? Vehicle externalism and dynamical explanations
In Fabio Paglieri (ed.), Consciousness in Interaction: The role of the natural and social context in shaping consciousness. John Benjamins (forthcoming)
| Abstract | Vehicle externalists hold that the physical substrate of mental states can sometimes extend beyond the brain into the body and environment. In a particular variation on vehicle externalism, Susan Hurley (1998) and Alva Noë (2004) have argued that perceptual states, states with phenomenal qualities, are among the mental states that can sometimes spread beyond the brain. Their vehicle externalism about perceptual states will be the main topic of this article. In particular, I will address three strong objections to their vehicle externalism, objections by Ned Block (2005), Jesse Prinz (2006), and Fred Adams & Ken Aizawa (2008). Though in some ways these objections appear disparate, I will argue that all of them depend on a crucial presupposition, one which Hurley, Noë, and their sympathizers should reject. This presupposition is that perceptual character is fixed by an instantaneous snapshot of neural states, a view that Hurley dubbed ‘temporal atomism.’ To put the presupposition in more familiar terms, all three objections are implicitly committed to something like Dennett’s Cartesian Theater (1991). In the first part of the article, I will discuss Hurley and Noë’s views, and include reasons why their views entail the rejection of the Cartesian Theater. In the next part of the article I will introduce the three objections and show how they presuppose something like a Cartesian Theater. I will also show that, if the Cartesian Theater is rejected, the objections all vanish. In the final part of the article I address the charge that Noë and Hurley confuse causation with constitution. This charge reveals a lack of appreciation for the way in which dynamical explanation motivates Hurley’s externalism. | |||||||||
| Keywords | Vehicle externalism Dynamical systems Susan Hurley | |||||||||
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Crystal L.’Hote (2012). From Content-Externalism to Vehicle-Externalism. Dialogue 51 (2):275-287.
Susan L. Hurley (1998). Vehicles, Contents, Conceptual Structure and Externalism. Analysis 58 (1):1-6.
Susan L. Hurley & Alva Noe (2003). Neural Plasticity and Consciousness: Reply to Block. Trends in Cognitive Sciences 7 (1):342.
Susan L. Hurley (2003). Action, the Unity of Consciousness, and Vehicle Externalism. In Axel Cleeremans (ed.), The Unity of Consciousness. Oxford University Press.
Susan L. Hurley & Alva Noë (forthcoming). Can Hunter-Gatherers Hear Color? In Geoffrey Brennan, Robert E. Goodin & Michael A. Smith (eds.), Common Minds: Essays in Honor of Philip Pettit. Oup.
Erik Myin (2001). Color and the Duplication Assumption. Synthese 129 (1):61-77.
Susan L. Hurley (forthcoming). Varieties of Externalism. In R. Menary (ed.), The Extended Mind. Ashgate.
Chris Tillman (2012). Reconciling Justificatory Internalism and Content Externalism. Synthese 187 (2):419-440.
Susan Hurley (2010). The Varieties of Externalism. In Richard Menary (ed.), The Extended Mind. Mit Press.
Simon Robertson (2006). Reasons and Motivation—Not a Wrong Distinction. Proceedings of the Aristotelian Society 106 (3):391–397.
Steven J. Todd (2009). A Difference That Makes a Difference: Passing Through Dennett's Stalinesque/Orwellian Impasse. British Journal for the Philosophy of Science 60 (3):497-520.
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