Meaning of brain scans for ‘pain’ called into question 26 April 2016 Patterns of brain activity thought to show pain responses have been called into question after researchers from UCL and the University of Reading saw such patterns in rare patients born without a sense of pain. The study, published in JAMA Neurology and funded by the Medical Research Council and European Commission, was designed to test the ‘pain matrix’. This is a pattern of brain activity that has been so consistently observed in almost every neuroimaging study of pain in humans that it is often considered a marker for pain. The association is so pervasive that the ‘pain matrix’ has been used in research to suggest that social rejection or mental effort can cause ‘pain’. To test whether this pattern actually represents
来源(Source From): http://www.ucl.ac.uk/news/news-articles/0416/260416-brain-scans-pain