Nano-intentionality: A defense of intrinsic intentionality
Biology and Philosophy 23 (2):157-177 (2008)
| Abstract | I suggest that most discussions of intentional systems have overlooked an important aspect of living organisms: the intrinsic goal-directedness inherent in the behaviour of living eukaryotic cells. This goal directedness is nicely displayed by a normal cell’s ability to rearrange its own local material structure in response to damage, nutrient distribution or other aspects of its individual experience. While at a vastly simpler level than intentionality at the human cognitive level, I propose that this basic capacity of living things provides a necessary building block for cognition and high-order intentionality, because the neurons that make up vertebrate brains, like most cells in our body, embody such capacities. I provisionally dub the capacities in question “nano-intentionality”: a microscopic form of “aboutness”. The form of intrinsic intentionality I propose is thoroughly materialistic, fully compatible with known biological facts, and derived non-mysteriously through evolution. Crucially, these capacities are not shared by any existing computers or computer components, and thus provide a clear, empirically-based distinction between brains and currently existing artificial information processing systems. I suggest that an appreciation of this aspect of living matter provides a potential route out of what may otherwise appear to be a hopeless philosophical quagmire confronting information-processing models of the mind. | |||||||||
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John Searle (1983). Intentionality. Oxford University Press.
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David Woodruff Smith (1988). Bodily Versus Cognitive Intentionality. Noûs 22 (March):51-52.
Natika Newton (1992). Dennett on Intrinsic Intentionality. Analysis 52 (1):18-23.
M. Reuter (1999). Merleau-Ponty's Notion of Pre-Reflective Intentionality. Synthese 118 (1):69--88.
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Bence Nanay (2006). Symmetry Between the Intentionality of Minds and Machines? The Biological Plausibility of Dennett's Position. Minds and Machines 16 (1):57-71.
Katalin Farkas (2008). Phenomenal Intentionality Without Compromise. The Monist 91 (2):273-93.
Ard Van Moer (2006). The Intentionality of Formal Systems. Foundations of Science 11 (1-2).
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