Psychology Commons^™

Not So Bad: Avoidance And Aversive Discounting Modulate Threat Appraisal In Anterior Cingulate And Medial Prefrontal Cortex, Michael W. Schlund, Adam T. Brewer, David M. Richman, Sandy K. Magee, Simon Dymond

Psychology Faculty Publications

The dorsal anterior cingulate (adACC) and dorsal medial prefrontal cortex (dmPFC) play a central role in the discrimination and appraisal of threatening stimuli. Yet, little is known about what specific features of threatening situations recruit these regions and how avoidance may modulate appraisal and activation through prevention of aversive events. In this investigation, 30 healthy adults underwent functional neuroimaging while completing an avoidance task in which responses to an Avoidable CS+ threat prevented delivery of an aversive stimulus, but not to an Unavoidable CS+ threat. Extinction testing was also completed where CSs were presented without aversive stimulus delivery and an …