Case study Tracy Sloan 2.jpg (IMAGE) Durham University Caption Tracy Sloan with the infrared light therapy helmet. Tracy used the helmet to try and help improve her memory. Credit Durham University/North News & Pictures Usage Restrictions None License Original 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.