When looking at the brain, it is important to go beyond its structure to its function. This is because often in cognitive disorders, the structure of the brain is intact, but its function is compromised.
My fundamental premise about the brain is that its workings - what we sometimes call "mind" - are a consequence of its anatomy and physiology, and nothing more.
Abnormalities in brain function have traditionally been detected using electroencephalography (EEG), which involves the measurement of the ongoing electrical activity generated by the brain.
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.