Why neural correlates of consciousness are fine, but not enough
Anthropology and Philosophy 2 (2) (1999)
| Abstract | The existence of neural correlates of consciousness (NCC) is not enough for philosophical purposes. On the other hand, there's more to NCC than meets the sceptic's eye. (I) NCC are useful for a better understanding of conscious experience, for instance: (1) NCC are helpful to explain phenomenological features of consciousness – e.g., dreaming. (2) NCC can account for phenomenological opaque facts – e.g., the temporal structure of consciousness. (3) NCC reveal properties and functions of consciousness which cannot be elucidated either by introspective phenomenology or by psychological experiments alone – e.g., vision. (II) There are crucial problems and shortcomings of NCC: (1) Correlation implies neither causation nor identity. (2) There are limitations of empirical access due to the problem of other minds and the problem of self-deception, and (3) due to the restrictions provided by inter- and intraindividual variations. (4) NCC cannot be catched by neuroscience alone because of the externalistic content of representations. Therefore, NCC are not sufficient for a naturalistic theory of mind, (5) nor are they necessary because of the possibility of multiple realization. (III) Nevertheless, NCC are relevant and important for the mind-body problem: (1) NCC reveal features that are necessary at least for behavioral manifestations of human consciousness. (2) But NCC are compatible with very different proposals for a solution of the mind-body problem. This seems to be both advantageous and detrimental. (3) NCC restrict nomological identity accounts. (4) The investigation of NCC can refute empirical arguments for interactionism as a case study of John Eccles' dualistic proposals will show. (5) The discoveries of NCC cannot establish a naturalistic theory of mind alone, for which, e.g., a principle of supervenience and a further condition – and therefore philosophical arguments – are required | |||||||||
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Valerie Gray Hardcastle (2000). How to Understand the N in NCC. In Thomas Metzinger (ed.), Neural Correlates of Consciousness. MIT Press.
K. Kirschfeld (1999). Afterimages: A Tool for Defining the Neural Correlate of Visual Consciousness. Consciousness and Cognition 8 (4):462-483.
Bernard Molyneux (2010). Why the Neural Correlates of Consciousness Cannot Be Found. Journal of Consciousness Studies 17 (9-10):168-188.
Ilya B. Farber (2005). How a Neural Correlate Can Function as an Explanation of Consciousness: Evidence From the History of Science Regarding the Likely Explanatory Value of the NCC Approach. Journal of Consciousness Studies 12 (4-5):77-95.
Uriah Kriegel (2007). A Cross-Order Integration Hypothesis for the Neural Correlate of Consciousness. Consciousness & Cognition 16 (4):897-912.
Jakob Hohwy (2007). The Search for Neural Correlates of Consciousness. Philosophy Compass 2 (3):461–474.
Hakwan Lau (2008). Are We Studying Consciousness Yet? In Lawrence Weiskrantz & Martin Davies (eds.), Frontiers of Consciousness. Oxford University Press.
Uriah Kriegel (2007). Gray Matters: Functionalism, Intentionalism, and the Search for NCC in Jeffrey Gray's Work. Journal of Consciousness Studies 14 (4):96-116.
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