Brain Bias (IMAGE) Brown University Caption EEG readings of theta brainwaves in the prefrontal cortex allowed researchers to correlate levels of brain activity with success in overcoming innate 'Pavlovian' biases. Credit Jim Cavanagh/Michael Frank 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.