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Thursday, January 17, 2008

In what looks like a review of Searle's book Freedom and Neurobioogy, David Papineau reviews Searle. The review is appropriately positive.
...perhaps Searle's loyalty to everyday thinking is a price worth paying for his undoubted virtues. During the course of his intellectual lifetime, philosophy has become a dry and technical business. Most philosophers today write only for other philosophers about issues that can accurately be termed scholastic. Against this background, Searle is a beacon of accessible expertise, a throwback to a time when philosophy was part of public debate. His work is devoted to some of the most fundamental questions in philosophy, yet he never gets bogged down in the kind of esoteric disputation that forgets why the issues matter in the first place. If he does this by sticking closely to the firm ground of common sense, this has not prevented him from producing a constant stream of challenging views across a large range of topics. Fortunately, there is no sign of his stopping yet.
And what about the book?
For Searle, genuine freedom is incompatible with determinism, and that?s that. Given this, he turns to quantum mechanical indeterminism to make space for free will. His admittedly tentative solution is that the unreduced conscious mind might play an independent role in directing brain processes that are subject to indeterminacy at the neuronal level. ...If Searle?s suggestion is right, then this principle breaks down inside the human brain, at those points where conscious minds exert an independent influence on events. This implication is not incoherent, but it seems highly unlikely. Serious physicists are unlikely to start looking for violations of quantum mechanics inside the human skull. With free will, as with consciousness, it seems that Searle?s affinity for common sense has left him in a philosophically unstable position.
And regarding the construction of social reality and his analysis of political power...
Here and elsewhere, it is a pity that Searle has not stopped to learn more from thinkers in the sociological tradition. By building his analysis of social reality solely out of materials provided by his native common sense, he has missed out on some hard-won insights.

David Papineau on John Searle TLS

Comments

I am a Searle fan, for the same reasons as enumerated above.

Having not read the book, I would like to know how he counters the obvious objection from the famous philosophical position: "You are what you eat." In other words, if the laws of quantum mechanics apply to the apple I am about to ingest (note subtle religious metaphor), at what point do those laws stop applying as those atoms become part of my brain? It seems that something along these lines would be necessary in order to make his theory coherent with modern scientific views and I recall reading a comment of his in a NYRB article to the effect that "we know that science is true."

Is there a magic container associated with the brain where the laws of physics break down? It's not the pinneal gland is it? Does he clarify his philosophy of science enough to be able to determine when Searle believes in, say, atoms or disbelieves in quarks and evolution, etc?

Posted by Bob Riehemann at Monday, January 21, 2008 22:50:21

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