Temporal dynamics of responses to facial expressions yield "U" pattern. Percent signal change in brain activity in response to facial expressions compared to baseline across blocks in A) Amygdala and B) Fusiform Gyrus. L = Left, R = Right. Small bars indicate one standard error of the mean.
Britton et al. BMC Neuroscience 2008 9:44 doi:10.1186/1471-2202-9-44