tDCS-Augmented in vivo exposure therapy for specific fears: A randomized clinical trial

•tDCS enhanced gains from a single session of in vivo exposure therapy.•Augmentation effects from a single active tDCS session persisted through 1-month.•Greater severity and a poorer early response predicted better gains from active tDCS.•tDCS may be indicated for those who are resistant to standard exposure.•Further investigation using tDCS as an exposure augmentation is warranted.