Brain (IMAGE) Penn State Caption Hand-book of physiology, 1892, Baker, William Morrant orangutan brain. Credit Handbook of Physiology, 1892 William Morrant Baker 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.