The argument doesn't make sense in the first place. Neurological problems are expressed psychologically and psychological problems are expressed neurologically.

The argument doesn't make sense in the first place. Neurological problems are expressed psychologically and psychological problems are expressed neurologically. The brain will indeed literally rewire itself based on what you do and think. Which is not at all, of course, to say you can simply wish yourself out of depression. Indeed that's exactly what can make depression such a problem.