The External Perceiver: The Basics (part 1)
Author:
What is Consciousness? Where is it?
Dualism:
It is customary (at least in my experience) to start with an explanation of dualism. One very influential version of this theory was put forward by René Descartes. In it he described consciousness (the mind) to be separate from the body. In such a way that the mind was not extended in space, and was in fact no part of the material world, or its laws; meanwhile the body was indeed extended in space and was most assuredly part of the material world and bound by its laws. Through this thesis he was describing two separate existences: a material existence and a mental one, which only the mind inhabited. Problems with this conception of the mind/body interaction were so inextricable that it became apparent a new approach to the issue was necessary.
Materialism:
Dualism has been all but expunged from philosophy of mind discourse (not to downplay its importance in illuminating all sides of the discussion). This has become the case for many reasons, but most significantly, it is due to science’s tremendous successes at penetrating the mysteries of the universe. Materialistic (physicalist) accounts of reality have become the basis for our understanding of all but theological questions, and events beyond the grasp of scientific understanding. Some would argue that consciousness has been one of the phenomenons that existed outside of scientific inquiry. It is my opinion that there has been scientific inquiry into consciousness since we acquired self-awareness in some form. But I digress. With the advent of modern imaging technologies we have gained experimental evidence that brain activity changes in a predictable manor when the appropriate behaviour is elicited.
These experiments are without a doubt scientific and add to our understanding of the brain, increasing our abilities to perform medical operations and control disorders. More importantly, they are part of a scientific framework that draws from multiple disciplines, allowing us to understand consciousness without requiring supernatural forces. In the past fifty years many physicalist theories have been proposed: the mind-body identity thesis, functionalism, eliminative materialism, and non-reductive physicalism.
Considering:
As many of the most modern theories concerning consciousness attempt to explain it in great detail, they all draw upon multiple disciplines. Even with the huge boom in interest surrounding the scientific community about consciousness, there is still a plethora of opinions as to where consciousness falls metaphysically (what role it plays in the natural order of physical laws), and epistemologically (whether or not we can even know certain things about consciousness, such as qualia). We have reached a point where our scientific paradigm is broad enough to encompass a concept as complex as consciousness (for another example of a problem as expansive: The Theory of Everything). There are those that would disagree and say consciousness can be broken into basic functions and with those build artificial entities. Of course this is possible, but it would not be human type consciousness. It would be but a close approximation. It would take a fraction of all the elements necessary to create our phenomenal experience. Consciousness seems to be a problem ripe with discoveries just waiting to be enjoyed and I plan on nibbling on it a bit myself.
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