Results
ADVERSE EVENTS, ADVERSE EVENT
Adverse events were monitored at all visits and no adverse events related to the intervention were identified. Among the 27 randomized participants, only two participants dropped out, and these were for reasons that were unrelated to the intervention. Twenty-five participants (14 in the active group and 11 in the control group) completed the training. CAPS-5 data is available in all 25 participants for all three timepoints (screening, 30 and 60 days after neurofeedback). The baseline amygdala control data from one participant in the control group was excluded for excessive head movement during the scan, and five participants (4 in the active and 1 in the control group) failed to complete the 30-day follow-up imaging assessment, see CONSORT flow diagram (Fig. S