Gratitude UC San Diego (IMAGE) University of California - San Diego Caption Study participants wore heart monitors and a blood pressure cuff during the high-stress experiment. Credit UC San Diego's Rady School of Management Usage Restrictions No restrictions. License Public Domain 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.