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Originally Posted by wolfgang  But what they study does not answer what made the planing neurons light up. Well, some are relfexes and they have decomposed those. But the non-reflexsive actions would be the mind doing that, our spirit or awareness that starts the brain's functions to do that moving the body action. |
There are fields which combine neuroscience and psychology to study exactly that, how brain activity relates to thoughts, attitudes, behaviour, etc. Keep in mind (ha!) that it's a relatively 'young' field. Compared to something like physics or philosophy, neuroscience hasn't been around for long. So naturally there are still a lot of gaps which it hasn't got to, yet.
On the topic of spirit, when people began studying the brain scientifically, they thought that 'animal spirits' traveled up and down nerves in the body and throughout the brain. They believed that these spirits were what carried instructions from brain to muscles, for example. These day we call them electrical and chemical signals, but the principle is similar.
So our evolving understanding is in part due to the kind of analogies we have available to us. I think the same applies to the spiritual perspective. Since it is not a scientific perspective, the available analogies are not required to agree with observations. This means that spiritual ideas may be valid, but there's no way to be sure.