TAAR5 (IMAGE) St. Petersburg State University Caption TAAR5 is present not only in the olfactory system, but also in the parts of the brain responsible for emotions. Credit SPbU 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.