Placebos (IMAGE) Michigan State University Caption The new findings, published in Nature Communications, tested how effective nondeceptive placebos -- or, when a person knows they are receiving a placebo -- are for reducing emotional brain activity. Credit Pexels: Pixabay CC0 Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.