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lompocus said:What I really want to know is the chemical or biological reason behind dreaming. You need to sleep, but why dream?
I often wonder the same thing. Speaking of which, not too long ago I had a dream that I was investigating that very subject. Weird, huh? Dreaming about dream studies.
In my dream I had discovered that, contrary to other theories, that dreams occur as a form of a distraction. In the process of sleeping, the brain processes and reorganizes memories. And in the physical/neurological sense, it involves various neurons. It's the process involving what things end up getting stored as long term memories and what things do not, and it involves changing chemistry of particular, related neurons in the process. (I'm in no way stating any of this as true fact: this was all simply part of my dream -- I haven't actually discovered any such thing in real-life.)
So, in the dream I had, I had discovered that when the brain is processing a particular memory, it produces a dream in order to distract the active part of the brain from accessing that particular memory while the associated neurons are being processed/manipulated. While others had theorized that while dreaming, the mind thinks about the very things which are being stored in memory, I had discovered that dreams are a mechanism to temporarily inhibit the mind from thinking about the very things which are being stored in memory. [Edit: although dreams sometimes take on an overall theme regarding what is being stored in memory, the memory itself is seldom accessed directly due to the abundance of distractions.]
In my dream, I was going to write a paper about it, or speak at a conference about it (or something like that), but then I woke up.
Of course, it was all just a dream. So I take the whole thing with a grain of salt. I have no idea why people dream.
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