I think a lot of this psychological layer has been ignored because it wasn't phenomenologically interesting to study as a science, but the important of the sema

I think a lot of this psychological layer has been ignored because it wasn't phenomenologically interesting to study as a science, but the important of the semantic/emotional layer is hard to ignore. A simple thought (say someone tells you something regarding your child that is not true but you believe it) can fuck up your biology down to physiological death. Sadly, and obviously, the reverse isn't true, you can rarely cure infections through neurons triggering pathway cascades. But still.