FFFF inhibits the ACC<ref>[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2701368/pdf/nihms98729.pdf Tracy A. Dennis and Chao-Cheng Chen, Trait anxiety and conflict monitoring following threat: An ERP study, Psychophysiology. 2009 January; 46(1): 122–131.]</ref><ref>Kristin A. Bussa, Tracy A. Dennisb, Rebecca J. Brookera, Lauren M. Sippela, An ERP study of conflict monitoring in 4–8-year old children: Associations with temperament, Developmental Cognitive Neuroscience, Volume 1, Issue 2, April 2011, Pages 131–140</ref>. In fear ACC is activated?<ref>S Bishop, J Duncan, M Brett, AD Lawrence, Prefrontal cortical function and anxiety: controlling attention to threat-related stimuli, Nature neuroscience, 2004</ref>