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Fodor Mentality Theory Essay

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The non-reductive view: Multiple realizability and Special Sciences.
Under the identity theory the sensation of pain it is invariably identified with a specific brain state – a set of neurons firing. Moreover, according to identity theory, ceteris paribus this brain state of pain should be the same for all subjects that have the same neurological properties. But it seems that not all persons experience pain in the same way; for instance, there are people that find pleasure in pain, and other animals react mentally to pain. Consequently, it might be argued that there are different brain states for the same ‘mental state’, even in other animals. Putnam (1967) advanced a series of arguments in support of the view that mentality is multiple realizable and not reducible to a unique brain state. Fodor, echoing Putman’s view, argued in favour of the autonomy of special sciences (like psychology); according to Fodor mentality is physical but cannot be described with the …show more content…

Indeed, it might be claimed that not only mental states not identical to those properties, but furthermore they cannot be reduced to those properties. In other words, Putnam’s argument is amenable to a non-reductive view. Putnam maintains that “Thus if we can find even one psychological predicate which can clearly be applied to both a mammal and an octopus (say 'hungry'), but whose physical-chemical 'correlate' is different in the two cases, the brain-state theory has collapsed” (Putnam, 1967/1975, p. 437). It is clear that if, contra Smart, sensations are not identical with neurological properties, then a sensation cannot be reduced to a unique brain state of a unique brain, thus, if sensations are multiple realizable, then the identity theory seems to be hard to maintain in the sense defended by Place and Smart. In Putnam’s

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