Evidence of Error (IMAGE) Brown University Caption Low-frequency brainwaves in the human medial frontal cortex change from low-power (blue) to high-power (red-orange) after the recognition of a mistake. Credit Frank Lab/Brown University Usage Restrictions with credit 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.