The mind is a finer body, and resumes its functions of feeding, digesting, absorbing, excluding, and generating, in a new and ethereal element. Here, in the brain, is all the process of alimentation repeated, in the acquiring, comparing, digesting, and assimilating of experience. Here again is the mystery of generation repeated.
When I see an object there is no will; when its sensations are carried to the brain, there comes the reaction, which says "Do this", or "Do not do this", and this state of the ego-substance is what is called will
Conscious attention is a designed function of the brain
which scans the environment for any trouble making changes.
If you identify yourself with your trouble shooter, then naturally you define yourself as being in a perpetual state of anxiety.