Images used in Study (IMAGE) University of British Columbia Caption The researchers asked volunteers to react to simple stick drawings depicting scenes of physical inactivity and physical activity, and discovered that brain activity differed depending on the scene. Credit UBC Media Relations 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.