"Sometimes the effects are very good, sometimes they are very poor," Cao Yong didn't mean to deny the role of psychology. It's just that everyone in medical studies knows, the theories of psychology are more like a discipline that summarizes clinical experiences, and it can't wholly research based on anatomy's fact-seeking foundations; it is somewhat mystical. You can't blame psychology for this, he had mentioned the reason before, medicine knows too little and finds it too difficult to grasp the brain.
Cao Yong's words made those around him realize that the situation was extremely tricky, and their anxiety doubled. Medicine is like that; what can't be done at the current stage simply can't be done. In some ways, when facing medical mysteries that humanity cannot solve, doctors are no different from ordinary people; the professional knowledge they can provide is nil.