Diagram Showing the Tranquil Brain (IMAGE) University of Sheffield Caption Researchers at the University of Sheffield have shown that tranquil living environments can positively affect the human brain function. Credit Dr. Michael D Hunter, Senior Lecturer in Psychiatry at the University of Sheffield. 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.