Touching Helps Build the Sexual Brain (IMAGE) PLOS Caption This is a scheme of the somatosensory homunculus of the rat cortex. Credit Shimpei Ishiyama Usage Restrictions CC-BY 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.