Figure 1
From: Placebo Intervention Enhances Reward Learning in Healthy Individuals
Flow of the volunteers through the conditions (A) and trials (B). (A) After a neurological screening, all participants first entered a baseline condition followed by the two randomly ordered placebo conditions (low- and high-uncertainty). (B) Participants performed a standard reinforcement-learning task39 where they had to select the better of two Chinese symbols.
