A new study led by Nikolaos Karalis of the Ludwig-Maximilians Universität München and Dr. Cyril Herry of the Neurocentre Magendie has shed light on what actually happens in the brain during the retrieval and expression of fear memories. Top image: filtered signals recorded in the two brain regions identify the almost perfect synchronization between the two regions during the expression of fear memories. Bottom image: spectral decomposition of the...
