While I admit that pet/frmri scanning is possibly reliable when measuring physical aspects of the body, I would like to know how reliable it is when measuring cognitive aspects e.g. emotion. How reliable and reproducible is it between different subjects and control subjects?EDIT: Just to clarify, I am asking if false positives are possible when dealing with detecting non-physical elements. To be very specific, I believe that research shows that the limbic lobe is the source of happiness in the brain. As far as I know, this was determined through neuroimaging of the brain not actual physical loss of a brain part and thus loss of happiness. So I want to know what the scientific consensus is on how reliable neuroimaging can be for detecting non-physical phenomena in the brain and how certain science is that the limbic lobe is the physical source of happiness.
reliability of fmri and pet
emotion;cognitive neuroscience;test;neuroimaging;fmri