Andy Clark on Perceiving as Predicting

Andy Clark’s work in the philosophy of mind has long had a strong influence on my thinking. I’ll have a bit to say about how his extended mind thesis figures into philosophical practice in my upcoming talk for the Media Ecology Assocation, but in this post I want to explore his work on predictive processing and perception, as he’s converging on similar conclusions to my own about the nature of perception, understanding, imagination, and action—namely, that they all arrive together in the co-construction of experience.

His tools and models for making this claim are different from my own, and so what most interests me in this context is how his (more advanced) resources—including a computational theory of the brain, coupled with extended and embodied notions of cognition, hierarchical predictive processing models, and Bayesian accounts of inference—match up with what I’ll shorthand as the transcendental–phenomenological resources of philosophy that I’ve been using in my recent posts. Clark is not strictly speaking a cognitive scientist, but he’s definitely closer to the “neuro” in “neurophenomenology” than I am. What’s at stake for me here is the following question, How accurate and useful are these transcendental–phenomenological resources in the face of cognitive science?

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41Q8YkxbywL._SX331_BO1,204,203,200_In my last few posts, I’ve been working my way through the ideas set down by the late great Hubert Dreyfus. While I end up disagreeing with Dreyfus on a number of issues, particularly on the role of conceptuality in practical action, I still see him as largely setting the terms of the debate. As part of my effort to understand Dreyfus, I’ve been undertaking a parallel study of Maurice Merleau-Ponty, who had a pronounced influence on Dreyfus. Below is a short summary of how I understand a few of Merleau-Ponty’s key insights. (Readers familiar with Merleau-Ponty won’t find too much ground-breaking interpretation in this post, but it does serve to ground the larger investigation I’ve been engaged in.)

His major work, Phenomenology of Perception, was first published in France in 1945. As the title indicates, the work deals with articulating a philosophy of perception. Drawing from his predecessors Edmund Husserl and Martin Heidegger, Merleau-Ponty in this effort gave primacy to the body’s practical comportment with the lifeworld (Lebenswelt), the historically situated and intersubjective horizon of experience from which all theoretical and scientific investigation begins, and to which it must always return. In emphasizing the body’s dynamic behavior as central to epistemological investigation—a move seen as early as his 1942 work The Structure of Behavior—Merleau-Ponty continued the work of his predecessors in returning to twentieth century philosophy the central role of embodiment in philosophy and psychology alike (the latter effort being greatly informed by gestalt theory and the neurological sciences of Merleau-Ponty’s day).

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Dreyfus and the Intentional Arc

51ckNtCwYrL._SX329_BO1,204,203,200_-1Hubert Dreyfus is most well-known for offering an account of intelligent human coping without appealing to explicitly cognitive or rational sources of action. Following philosophers such as Maurice Merleau-Ponty and Martin Heidegger, Dreyfus instead roots human intelligence—theoretical or otherwise—in our embodied everyday comportment with the world, in our practical actions and responses to the immediate environment. In Mark Wrathall’s words, “Rather than starting from cognition as the primary locus of intelligence, and building out to an account of action, Dreyfus starts with the premise that skillful activity itself is the consummate form and foundation of human intelligence, and derives an account of cognition from coping.”[1] In placing practical engagement before theoretical cognition, Dreyfus builds a new picture of what it means to skillfully cope in the perceptual world that unfolds before us.

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Sketching Kant’s Critical Philosophy

As of late, I’ve been working my way through a number of German idealist thinkers, producing a series of small posts as I investigate the tradition (see on Kant and Fichte here, on Fichte and Schelling here, and on Goethe here). In this post, I move back to Kant himself, sketching an outline of the critical philosophy, as expressed in The Critique of Pure Reason, including an account of his rejection of rationalism and empiricism, his account of intuitions, concepts, and ideas, and his notions of judgment, imagination, and apperception. Understanding Kant’s critical philosophy is essential to understanding the evolution of German idealism as a whole. As Frederick Beiser notes, those involved in this tradition strove to find a middle path between a number of competing binaries, including that between skeptical subjectivism and naive realism, foundationalism and relativism, materialism and idealism, and Platonism and historicism, binaries which, as Beiser rightly suggests, are still the concern of much contemporary epistemology.[1]  Continue reading

Kant and Fichte

Below are a few thoughts on Fichte’s advance over Kant’s critical philosophy. I’m finding that there’s much in Fichte’s work that forms something of a historical starting point for my own work on concepts as capacities. There are substantial differences, too. For example, Fichte’s strong separation of the causal order of nature and the normative order of human freedom strikes me as implausible, and it would be hard to imagine a philosopher arguing the point with as much force today (though the exact way to think of this partition—or to not think it at all—continues to give everyone a headache).

That said, as I read them, the primary difference between Kant’s and Fichte’s philosophies lies in their differing starting points, in what a grounding for transcendental philosophy requires. If Kant was correct to say that experience has an a priori structure that conditions all possibilities of experience, he was wrong to suggest that this a priori structure—including the forms of intuition, the categories of the understanding, the ideas of reason, and the transcendental ego itself—could be taken as simply given. That is, in much the same way that Kant’s critical philosophy leads one to reject the mere givenness of empirical experience, this same rejection should be applied to the mere givenness of the a priori concepts and categories of the transcendental itself. Continue reading