A point of interest in this chapter was the discussion on high-level perception and what constitutes it. Hofstadter suggests that a critical part of high-level perception involves "mental representaion," which he defines as "the fruits of perception." "In order for raw data to be shaped into a coherent whole, they must go through a process of filtering and organization, yeilding a structered representation that can be used by the mind for any number of purposes." The previous quote explains how humans 'make sense' of what's around them and appropriately react to stimuli in their environment.
He then goes on to explain what it is in my opinion the most important property of high-level perception, and that is that it's extremely flexible. Because of this flexibility input may be perceived in many different ways the book goes on to say. This made mt think of something pretty awesome, I realized that everyone in the world literally has a 'different' kind of high-level perception and that they all have cognitive processes unique to them. Because of this uniqueness of cognitve processes, the term 'human-level cognition' literally has about 6.7 billion different and 'correct' definitions. This also makes me think that when someone is trying to create AI are they being so ignorant as to imply that humans all behave and act the same way, or do they try create a certain 'type' of human level cognition, perhaps the one possessed by the programmer or something.
I don't think it is possible for one single program to represent accurately the level of cognition that humans have, instead one program could only represent a single humans unique cognitive processes.
Wednesday, October 28, 2009
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