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Talking of things stopping, it's a classic that when one is on psychotropics (including marijuana) that there's a loss of the sense of time.  You can feel that hours have passed, look at the clock and--only twenty minutes?!  Alex had some great comments about this in this diary:
Kant said the following in his Critique of Pure Reason
In Kant's view, a priori intuitions and concepts provide us with some a priori knowledge, which also provides the framework for our a posteriori knowledge. For example, Kant argues that space and time are not part of what we might regard as objective reality, but are part of the apparatus of perception. Kant also believed that causality is a conceptual organizing principle that we impose upon nature, albeit nature understood as the sum of appearances that can be synthesized according to our a priori concepts.

In other words, space and time are a form of perceiving and causality is a form of knowing. Both space and time and our conceptual principles and processes pre-structure our experience.

Things as they are "in themselves" -- the thing in itself or das Ding an sich -- are unknowable. For something to become an object of knowledge, it must be experienced, and experience is structured by our minds -- both space and time as the forms of our intuition or perception, and the unifying, structuring activity of our concepts. These aspects of mind turn things-in-themselves into the world of experience. We are never passive observers or knowers.

Kant's "I" -- the "Transcendental Unity of Apperception" -- is similarly unknowable. I am aware that there is an "I," a subject or self that accompanies my experience and consciousness. But since I only experience it in time, which is a "subjective" form of perception, I can know it only indirectly, as object, not as subject.

That time is an a-priori form of our perception means that time is not something external but one of the basic way in which our mind organizes perception.

Kant also argues that arithmetic and geometry are internal counterparts of the external time and space. That is, if there is sensory input it is organised according to time and space. But we don't need any sensory input to do arithmetic. But arithmetic, counting, is based on the cognitive mechanism of sequential attention.

Left brain: serial processor, sequential attention, arithmetic, time; right brain: parallel processor, global attention, geometry, space.

It'd be nice if the battle were only against the right wingers, not half of the left on top of that — François in Paris

by Migeru (migeru at eurotrib dot com) on Sun Mar 23rd, 2008 at 11:01:26 AM EST
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