Placebo pain relief and positive treatment expectations are not caused by dopamine, researchers find
New findings argue against a direct causal role for dopamine during the experience of a treatment effect in the establishment of positive treatment expectations and placebo analgesia in healthy volunteers, according to a study published September 24 in the open-access journal PLOS Biology by Ulrike Bingel from University Hospital Essen, Germany, and colleagues. Dopamine-based reward … Read more