Placebo effects beyond dopamine

by Karin B. Jensen

The role of dopamine in reward expectancy has led to the hypothesis that it is crucial for forming treatment expectations and placebo effects. However, a new study in PLOS Biology presents robust evidence against the causal role of dopamine in these processes. The role of dopamine in reward expectancy has led to the hypothesis that it is crucial for forming treatment expectations and placebo effects. This Primer explores a new study in PLOS Biology that presents robust evidence against the causal role of dopamine in these processes.