axj said:
My understanding is that there are two things which can be termed 'intuition'. One is the instinct of the physical body and the other is an irrational (not of the rational mind) knowing of things, akin to the Silent Knowledge which Castaneda talks about. This Silent Knowledge is actually the accessing of the higher mind, or the knowledge of the Higher Self - which goes far beyond the rational mind.
I agree to a point, however, I feel that to explain something as 'instinct' is to not really gain any ground. Unless maybe we use Sheldrake's model of morphological fields.
Take this with a grain of salt: In the terms I normally use to talk about the subject, genuine intuition comes from the 'Feeling Center' and is what I've been terming the inductive faculty - with the automatic physiological/emotional responses being in the moving center.
Rather than thinking of the human system as a stack with the thinking center on the top and the moving center on the bottom, I think of it as a circle divided by 3 radii. For some jobs and activities I like to do, for much of the day and much of the time, the thinking center (what I call the deductive faculty, together with its Narrator) needs to shut up, and the feeling and moving centers do their thing.
I believe that people with their feeling center squelched by high dopamine don't have the fine gain adjustment for it to work. It is numbed into sleep - anesthetized. They are also conditioned to doing everything with the thinking center, which has a tendency to over-complicate everything in its desire to be right in order to earn it's keep so-to-speak.
Other animals don't have a strong thinking center at all. It's the feeling center which keeps most creatures alive and fed. Sort of like a cat paused with one paw in the air, waiting to know which way to go. The impressions just pop up, depending on the situation. The more often it's right, the more you can trust; the more you trust, the more often it is right. :)