How comparable different stress tests are

(Ruhr-University Bochum) Scientists use many different tests to investigate what happens in the brain in people experiencing stress. It is unclear to what extent the various methods with which subjects are placed under stress are comparable to each other. In a meta-analysis, researchers compared 31 previous studies that had investigated stress using functional magnetic resonance imaging. The team worked out which regions of the brain are activated as standard during stress and which stress tests...