Such abundance of contents from the cyberspace is helping us to know more of the pineal gland. But most of them seem to put on tinges of mystification. The current images related to this organ depicted as the Third Eye that we have seen above are vividly showing such tendency.
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However, pineal gland is an organ of our body, tangible and existent within our brain. Then, we can safely say that it must have identifiable function for our life. Yes, some kind of hormone production is identified in it, but I think its location alone, so deep, central and preserved, tells us that it has most central and fundamental function besides. What is it?
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.Recently, with the advance of the technology to scan our brain in terms of the energy wave, more and more scientific facts have been found about human brain and its work in the context of our life. One of them tells us that, when we eat or meet with a stranger, the pineal gland gets more activated. We can combine this finding with the existing knowledge about our body, to have more of the facts on this pineal gland.
The pineal gland belongs to the part of our brain called ‘primitive brain’. This is the part that had been formed during the earliest stages of the evolutionary process of the living creatures with brain. (There are out-weighing numbers of species without brain in this earth eco-system. In this case, the gut is doing what brain does, additionally.) As a certain species gets more complicated and sophisticated, layers are added to the brain as if layers of pearl substance are added to the nucleus stuck on the inner surface of a pearl shell.
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Primitive brain takes charge of the most basic part of the life process of the brain animal, such as biorhythm of waking up in the morning (or evening) and sleeping at night (or dawn), breathing, mating, and giving birth. What else is as much basic and important as these things?
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How about the function of judging whether a certain object or condition is good for oneself or not? If there is such function in our body, it will be very important to us as a biological entity living through this earthly environment changing constantly. Wittingly and unwittingly, human mind/body is responding to new food, new faces, new environmental factors, etc. But before responding, it must judge the object in question and choose appropriate way of responding.
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If we need an organ to take charge of such judging process, pineal gland is sure to be one of the most plausible candidates. Its central location and the fact that many traditional societies known to be aware of pineal gland gave it supremacy over most of the other organs seem to back it up. Limited as my knowledge is, I can count at least one research outcome as evidencing this contention. A research paper, published in Russia, reported that, the moment food stuff enters human mouth, the pineal gland is activated and neurotransmitters stimulate the appestat.
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Sadly, the report was in Russian and unavailable on-line, with only a few lines of English description, a very rough sketch of the research outcome provided. But through its analogy to other similar reactions within our body, we may have closer understanding of what is happening in this process.
Changing Earth and People- Gina Lee's Archive on Global Change 