Fig. 4.

Between conditions second level contrast maps with significant results without Bonferroni correction applied. Positive contrasts (ketamine> placebo) are shown in red colors and negative contrasts (placebo> ketamine) are shown in blue for each seed region in the same figure. (Note: SN only showed significant negative contrasts and DAN only positive contrasts; see Table 1). (N = 17). (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)