This should be in philosophy but I can't post it there, so I will attempt to relate it to DMT.
In my belief system, we all share an electromagnetic field which connects us together.
Brains have input and output sources, and are flowing through each and everyone of us all the time. This model allows telepathy to be possible.
If I am standing next to a man, there's likely a chance we will be sharing similar thoughts about each other, maybe we are reading each others minds without knowing it?
If we could concentrate on brainwave output sources, perhaps we can link onto this source and learn to read it?
If a person and me are beside each other, and we are actually projecting an electromagnetic field, as well as absorbing one, maybe in time we can learn to decode these waves into human thought processes.
Our brain does operate on electricity, which is electromagnetic energy. Electricity tends to be very wild, and is likely not confined within the human body.
We must be discharging some of this energy back into the universe.
Ever notice how if one is tripping with others on the same dose+substance there's a high probability of sharing similar experiences?
Ever have experiences where one communicates successfully to other trippers without speaking a single word?
I believe DMT (and other psychs) destroy the ego enough to get us in touch with the direct source of this energy.
We become more perceptive to peoples input and output brainwaves, and the energy creating them.
I think if we connect to this energy, we're connecting to the person who it's outputted from.
Picture this; electromagnetic energy is a giant web or net of connections.
Each lifeform represents a source for this energy to flow through and connect to.
Life manipulates this energy into brainwaves and in turn sends signals back out.
If other life became perceptive to this process, and realize our brainwaves are being shared by all,
then it's all a matter of decoding them into something we can understand.
I also think this energy is actually the "soul" but that's another topic!
These are only my beliefs on the subject, how do you feel?
Disclaimer: All Entheogens and other research materials are not for Human consumption! I have researched by text the effects of consuming such things in case of accidental consumption. I have never actually consumed any of the materials I speak about and it should be assumed I'm speaking hypothetically. I have a wild imagination.