Kamikuroiwa rock shelter (IMAGE) Trinity College Dublin Caption Kamikuroiwa rock shelter: this site is located in Kumakogen, Kamiukena District, Ehime Prefecture of Shikoku, where the oldest Jomon individual sequenced in this study was found. Credit Shigeki Nakagome, Lead researcher, Assistant Professor in Psychiatry, School of Medicine, Trinity College Dublin. 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.