Craving & Decision-Making

Audio instruction for participant to allow themselves to experience their feelings followed by 3-min passive viewing of images of neutral everyday objects (e.g., tools, dirt) and their use (construction, gardening).

Audio instruction for participant to allow themselves to experience their feelings followed by 3-min passive viewing of images of drug paraphernalia (e.g., syringe, tourniquet, heroin) and preparation.

Audio instruction for participant to focus their attention on the experimenter followed by 3-min audio-guided viewing of the experimenter opening/unwrapping an everyday object (e.g., box of crayons) and taking out its contents.

Audio instruction for participant to focus their attention on the experimenter followed by 3-min audio-guided viewing of the experimenter opening/unwrapping a snack (e.g., chocolate bar, bag of chips) and taking out its contents.