BDNF and Anxiety: In addition, we evaluated the influence of Δ-BDNF on the effects of tDCS and hypnotic suggestion and performed exploratory analyses of the relationships between state anxiety and the Δ-value of the NPS (0–10) during the CPT and between Δ-BDNF and the Δ-value of the NPS (0–10) during the CPM test, according to treatment mode.