Amygdala downregulation training using fMRI neurofeedback in post-traumatic stress disorder: a randomized, double-blind trial oleh Zhiying Zhao, Or Duek, Rebecca Seidemann, Charles Gordon, Christopher Walsh, Emma Romaker, William N. Koller, Mark Horvath, Jitendra Awasthi, Yao Wang, Erin O’Brien, Harlan Fichtenholtz, Michelle Hampson, Ilan Harpaz-Rotem