We know that the orbitofrontal, prefrontal, insular, temporal, cingulate, parietal, and occipital cortices are important neural network nodes in human anxiety,1- 3 and that the amygdala plays a pivotal role in the perception and evocation of emotions related to threat and danger, such as fear or anger.3,4 The proportion of cortical and subcortical activation differs depending on the type of emotio