ThinkerBrain (IMAGE) Duke University Caption The Thinker by Auguste Rodin may have had a sunnier disposition if he had been working math problems. An overlay of an MRI shows the dorsolateral prefrontal cortex (DL-PFC) of the brain that is engaged in doing cold calculations and dealing with hot emotions. Credit Annchen R. Knodt 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.