First, they point to reduced vicarious activity in regions involved in performing actions, feeling touch and experiencing emotions, that are considered functional markers of empathy, as a possible neural basis for the reduced empathy and antisocial behaviour, central to psychopathy (Hare et al., 2001; Hare, 2003; Blair et al., 2006; Hare and Neumann, 2009). (academic.oup.com)
Testing these structural and functional markers in glaucoma suspects and patients and importantly, in patients enrolled in clinical trials for vision restoration, which I know are few and far between. (glaucoma.org)
This provides functional markers for the metabolic effects of vitamin inadequacies, toxic exposure, neuroendocrine activity, and intestinal bacterial overgrowth. (optimizetothrive.com)