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But...how?
Exactly, I don't believe that action potentials work through any system of purpose or intent, but rather, at some level, our I-function intent can impose it's will on them and cause them to fire. Neurons also have a certain pre-destined form and behavior, evolutionarily and embryonically, which gives them their own characteristics...which can be dubbed "how they are supposed to act."
The fact that all action potentials are underlined with random diffusion of particles I can see, but isn't it true that for action potentials to be utilized, a signal comes down which changes the voltage? This doesn’t always happen sporadically, but can have a reason, such as us smelling a certain smell or hearing a sound.
I think the missing piece in my understanding is that I don't understand the significant/frequency of simple random depolarization without input that causes action potentials. Do those synapses end up no where? Or does that cause thoughts/behavior that "we" the I-function, didn't mean to cause? How does the I-function send signals to the rest of the brain, and how does the rest of the brain respond? This can't all be random, but I would assume there has to be some sort of pattern.
Purpose emerges out of this random movement and behavior, but…how? What are the intermediates that allow us to process random movement and utilize it so that we can act how we do?