Experimental diagram (IMAGE) Stanford University School of Engineering Caption Researchers stimulated neurons expressing the heat-sensitive protein TRPV1 using tissue-penetrating infrared light and specially engineered infrared amplifiers called "MINDS". Credit Courtesy of Hong lab Usage Restrictions Use image credit 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.