Dream, thought and emotion

Trying to play with some metaphysics on dream or also known as astral plane.

Brain consists of (electrical) neural signal and (electromagnetic) brainwave activity, there are scientist working on decoding the brain, creating device like the brain-controlled-exoskeleton.

I do believe that dream can be decoded in digital one day, since dream is formed by thoughts and thoughts are electricity, so why dream not be digital?

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