Category I: Reviews: (1) Must et al. review IGT and depression-related issues; (2) Brevers et al. review studies on IGT and gambling disorders; (3) Linnet provide a review of IGT in the context of dopamine and gambling disorders; (4) Cassotti et al. review IGT in relation to developmental studies; (5) Turnbull et al. consider IGT performance as the processing of emotion-based learning; (6) Overman and Pierce examine the effects of real plus virtual cards and additional trials; and (7) van den Bos et al. provide a global overview of rodent version of the IGT.