One classic philosophical dispute is the battle over innate ideas. An innate idea, as the name suggests, is not acquired by experience but is somehow “built into” the mind. Philosophers who accept innate ideas differ about their nature and content.  Leibniz, for example, sees God as the creator innate ideas that exist within the monads. Other thinkers forgo metaphysics, such as those who think humans have an innate concept of beauty that is the product of evolution.

Over the centuries, philosophers have argued for and against innate ideas. For example, some take Plato’s Meno as an early argument for innate ideas. In the Meno, Socrates claims to show that Meno’s servant knows geometry, despite the (alleged) fact that he never learned geometry in this life. Other philosophers have argued that there must be innate ideas for the mind to “process” information coming in from the senses. To use a modern analogy, just as a smart phone needs software to enable the camera to function, the brain needs innate ideas in to process the sensory data coming in via the optic nerve.

Other philosophers, such as John Locke, have reject innate ideas in general. Others have been critical of specific forms of innate ideas—the idea that God is the cause of innate ideas is, as might be suspected, not very popular among those who attribute them to evolution.

Interestingly, there is some contemporary evidence for innate ideas. In his August 2014 Scientific American article “Accidental Genius”, Darold A. Treffert presents something akin to a 21st century version of the Meno. Investigating the matter of “accidental geniuses” (people who become savants as the result of an accident, such as a brain injury), researchers claimed they could create “instant savants” by the use using brain stimulation. These instant savants were able to solve a mathematical puzzle they could not solve without the stimulation. Treffert asserted that this ability to solve the puzzle was since they “’know things’ innately they were never taught.” To provide additional support, Treffert gave the example of a savant sculptor, Clemons, who “had no formal training in art but knew instinctively how to produce an armature, the frame for the sculpture, to enable his pieces to show horse in motion.” Treffert goes on to explicitly reject the “blank slate” notion (which was made famous by John Locke) in favor of the notion that the “brain might come loaded with a set of innate predispositions for processing what it sees or for understanding the ‘rules’ of music art or mathematics.” While this explanation is certainly appealing, it is well worth considering alternative explanations.

One established objection to this sort of argument is the like that used against past life experiences. When someone claims to have had a past life based on knowing things they would not normally know, the obvious reply is they learned through perfectly mundane means. In the case of alleged innate ideas, one reply is that the person gained the knowledge through experience. This is not to claim that such claims are intentional deceptions. They might not recall the experience that provided the knowledge. For example, the instant savants who solved the puzzle probably had previous puzzle experience and the sculptor might have seen armatures.

Another objection is that an idea might appear innate but instead is a new idea that did not originate directly from a specific experience. For example, consider a person who developed a genius for sculpture after a head injury. The person might have an innate idea that allowed them to produce the armature. An alternative explanation is that they faced a problem and solved it without any appeal to innate knowledge. The solution turned out to be an armature, because that is solved the problem. To use an analogy, someone faced with the problem of driving a nail might re-invent the hammer, but this does not entail that the idea of a hammer is innate. Rather, a hammer is what would work and it is what a person would tend to make.

As has always been the case in the debate over innate ideas, the key question is whether the phenomena in question can be explained best by innate ideas or without them. As a Cartesian, I am fond of innate ideas but always consider alternative explanations.

 

 

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