They probably got some fMRI, and they framed it in terms of cortisol, adrenaline and cytokines.
Old knowledge is useless to modern science, we need to continually re-express it in the modish jargon of the day or people won't accept it as true. Thus, generations of studies restating the same old crap with new methods.
Old knowledge is useless to modern science, we need to continually re-express it in the modish jargon of the day or people won't accept it as true. Thus, generations of studies restating the same old crap with new methods.