Psychogenic diseases, formerly known as «hysterical» illnesses, can have many severe symptoms such as painful cramps or paralysis, but without any physical explanation. However, new research from the University of Cambridge and University College London suggests that individuals with psychogenic disease, that is to say physical illness that stems from emotional or mental stresses, do have brains that function differently.
Fuente : http://www.eurekalert.org/pub_releases/2013-02/uoc…