While reviewing what I said about soul and spirit, I got the distinct idea that we have a simple model of process here, formulated in rather physico-chemical terms:
1. There is a field, a potential difference
2. A messenger is active (after a trigger or impulse/signal from within or above, the field). It binds directly or causes to bind something to a structure and
3. that act of binding causes a change in form of that structure, or causes a signal/particle to be transmitted to or into that structure
4. thereby enabling some (local) action to take place. It could also trigger the execution of a program (such as to synthesize certain proteins, for example).
Iterations of steps may occur as we go from level to level, combining factors at work. The precise attribution to levels is something to be studied late, because we need to establish some criteria first as to which are the characteristics of these levels and whether there is overlap/interpenetration/integration of components in structures performing functions involved in the process.
This looks simple enough to investigate in several realms of life. One possibility is to study processes in a cell, or processes in the human body. Another possibility is to study psychological processes (behavioural, cognitive, etc.), after rephrasing the above sequence a little bit. We will probably encounter exciting examples from which we can learn a lot, and there may be some lacunae in present knowledge that requires us to interpret or speculate a little. Maybe new hypotheses can be formulated as well. It all takes time, patience and perseverance as this whole endeavour is a rather new one, I believe.
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