fMRI ( functional Magnetic Resonance Imaging) is the star of the neurosciences. Research using fMRI scans provides steadily increasing amounts of information about the functioning of our brain. However, a lot of articles appear in the media with far-fetched conclusions.
What causes your depression: serotonin or what you experience? The answer: the question is invalid! Both play a role, and are interconnected. You cannot say that one of these is the cause.